LONGINES Operating Instruction English

48
49 SUMMARY International guarantee 50-53 Recommendations 54-55 Tolerances 56 Pictogramms 57 Rubber strap 58 Folding clasp 59 Certificate of authenticity 60 Water-resistance / Screw-in crown and push-pieces 61 Adjusting the time (General information) 62-63 Table of equivalents 64-65 Self-winding watches L599 – L601, L607 66 L636 67 L602, L693 68 L635 – 24 Time zones 69-70 L704 – 24 Hours 71 L633 – Diver 72 L633 – Diver Date 73 L600 – Phases of the Moon 74-75 Table of lunar months 76 L614, L699 – The Lindbergh Hour Angle Watch 77-78 L699 – Weems Second-Setting Watch 79 L697, L698 3X / 4X Retrograde 80-82 Chronographs General information (tachometric scale, etc.) 83 Quartz chronographs L538, L541 84-86 Self-winding chronographs L650, L651, L652, L667, L674 87-88 L683, L688, L696, L705 89-90 L683 – Instrument pour Cavalier 91-92 L678 – Phases of the Moon 93-94 L686 – 24 Hours 95-96 Summary You can download a PDF version of the instructions for use from our website www.longines.com

Transcript of LONGINES Operating Instruction English

Page 1: LONGINES Operating Instruction English

49

SUMMARY

International guarantee 50-53

Recommendations 54-55

Tolerances 56

Pictogramms 57

Rubber strap 58

Folding clasp 59

Certificate of authenticity 60

Water-resistance /Screw-in crown and push-pieces 61

Adjusting the time (General information) 62-63

Table of equivalents 64-65

Self-winding watchesL599 – L601, L607 66L636 67L602, L693 68L635 – 24 Time zones 69-70L704 – 24 Hours 71L633 – Diver 72L633 – Diver Date 73L600 – Phases of the Moon 74-75Table of lunar months 76L614, L699 – The Lindbergh Hour AngleWatch 77-78L699 – Weems Second-Setting Watch 79L697, L698 – 3X / 4X Retrograde 80-82

ChronographsGeneral information (tachometric scale, etc.) 83

Quartz chronographsL538, L541 84-86

Self-winding chronographsL650, L651, L652, L667, L674 87-88L683, L688, L696, L705 89-90L683 – Instrument pour Cavalier 91-92L678 – Phases of the Moon 93-94L686 – 24 Hours 95-96

Summary

You can download a PDF version of the instructions foruse from our website www.longines.com

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50 Limited two-years warranty (USA)

LIMITED TWO-YEARS WARRANTY (USA)

LONGINES is delighted that you should have chosen amodel from our prestigious collection. The little techni-cal marvel you now own will serve you faithfully for manyyears. The most advanced techniques were used dur-ing its manufacture, and it underwent stringent controlsbefore it was released for sale.

Your LONGINES® watch is warranted by Longines WatchCo. Francillon Ltd* FOR A PERIOD OF TWENTY-FOUR(24) MONTHS FROM THE DATE OF PURCHASE underthe terms and conditions of this warranty.

The international LONGINES warranty covers materialand manufacturing defects existing at the time of deliveryof the purchased LONGINES watch (“defects”). The war-ranty only comes into force if the warranty certificate isdated, fully and correctly completed and stamped by anofficial LONGINES dealer (“valid warranty certificate”).

During the warranty period and by presenting the validwarranty certificate, you will have the right to have anydefect repaired free of charge. In the event that repairsare improper to restore the normal conditions of use ofyour LONGINES watch, Longines Watch Co. FrancillonLtd guarantees its replacement by a LONGINES watchof identical or similar characteristics. The warranty for thereplacement watch ends twenty-four (24) months afterthe date of purchase of the replaced watch.

This manufacturer’s warranty does not cover:

the life of the battery;

normal wear and tear and aging (e.g. scratched crys-tal; alteration of the colour and/or material of non metal-lic straps and chains, such as leather, textile, rubber; peel-ing of the plating);

any damage on any part of the watch resulting from ab-normal/abusive use, lack of care, negligence, accidents(knocks, dents, crushing, broken crystal, etc.), incorrectuse of the watch and non-observance of the use di-rections provided by Longines Watch Co. Francillon Ltd;

the LONGINES watch handled by non-authorized per-sons (e.g. for battery replacement, services or repairs)or which has been altered in its original condition beyondLongines Watch Co. Francillon Ltd’s control.

ALL APPLICABLE IMPLIEDWARRANTIES, INCLUDINGTHE IMPLIEDWARRANTY OFMERCHANTABILITY ANDOF FITNESS FOR A PARTICULAR PURPOSE GIVEN TOYOU BY LAW ARE HEREBY LIMITED IN DURATION TOTHE DURATION OF THIS WARRANTY. UNDER NOCIRCUMSTANCES WILL LONGINES WATCH CO.FRANCILLON LTD BE LIABLE FOR ANY INDIRECT ORCONSEQUENTIAL DAMAGES OF ANY KIND.

Some states do not allow limitations on how long impliedwarranties last, or exclusions or limitations of inciden-tal or consequential damages, so exclusions or limita-tions mentioned may not apply to you. This warrantygives you specific legal rights and you may also haveother rights which may vary from state to state.

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51Limited two-years warranty (USA)

LIMITED TWO-YEARS WARRANTY (USA)

LONGINES WATCH CO. FRANCILLON LTD’S OBLI-GATION IS STRICTLY LIMITED TO REPAIR OR RE-PLACEMENT AS EXPRESSLY STATED IN THIS LIMIT-ED WARRANTY. YOUR OFFICIAL LONGINES DEALERCARRIES SOLE RESPONSIBILITY FOR ANY OTHERGUARANTEES.

The Longines Watch Co. Francillon Ltd’s customer serv-ice ensures the perfect working order of your LONGINESwatch. If your watch needs maintenance, rely on an of-ficial LONGINES dealer or an authorized LONGINESService Center as set forth in the enclosed list: they canguarantee service according to Longines Watch Co.Francillon Ltd’s standards.

* Longines Watch Co. Francillon Ltd,

CH-2610 Saint-Imier, Switzerland.

©2002 Longines Watch Co. Francillon Ltd.

All rights reserved.

LONGINES® is a registered trademark.

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52 International guarantee

INTERNATIONAL GUARANTEE

LONGINES is delighted that you should have chosen amodel from our prestigious collection. The little techni-cal marvel you now own will serve you faithfully for manyyears. The most advanced techniques were used dur-ing its manufacture, and it underwent stringent controlsbefore it was released for sale.

Your LONGINES® watch is warranted by Longines WatchCo. Francillon Ltd* for a period of twenty-four (24) monthsfrom the date of purchase under the terms and condi-tions of this warranty.

The international LONGINES warranty covers materialand manufacturing defects existing at the time of deliveryof the purchased LONGINES watch (“defects”). The war-ranty only comes into force if the warranty certificate isdated, fully and correctly completed and stamped by anofficial LONGINES dealer (“valid warranty certificate”).

During the warranty period and by presenting the validwarranty certificate, you will have the right to have anydefect repaired free of charge. In the event that repairsare improper to restore the normal conditions of use ofyour LONGINES watch, Longines Watch Co. FrancillonLtd guarantees its replacement by a LONGINES watchof identical or similar characteristics. The warranty for thereplacement watch ends twenty-four (24) months afterthe date of purchase of the replaced watch.

This manufacturer’s warranty does not cover:

the life of the battery;

normal wear and tear and aging (e.g. scratched crys-tal; alteration of the colour and/or material of non metal-lic straps and chains, such as leather, textile, rubber; peel-ing of the plating);

any damage on any part of the watch resulting from ab-normal/abusive use, lack of care, negligence, accidents(knocks, dents, crushing, broken crystal, etc.), incorrectuse of the watch and non-observance of the use di-rections provided by Longines Watch Co. Francillon Ltd;

indirect or consequential damages of any kind resultingfrom e.g. the use, the non-functioning, the defects or theinaccuracy of the LONGINES watch;

the LONGINES watch handled by non-authorized per-sons (e.g. for battery replacement, services or repairs)or which has been altered in its original condition beyondLongines Watch Co. Francillon Ltd’s control.

Any further claim against Longines Watch Co.Francillon Ltd e.g. for damages additional to the abovedescribed warranty is expressly excluded, exceptmandatory statutory rights the purchaser may haveagainst the manufacturer.

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53International guarantee

INTERNATIONAL GUARANTEE

The above manufacturer’s warranty is:

independent of any warranty that may be provided bythe seller, for which he carries sole responsibility;

does not affect the purchaser’s rights against the sell-er nor any other mandatory statutory rights the purchasermay have against the seller.

The Longines Watch Co. Francillon Ltd’s customer serv-ice ensures the perfect maintenance of your LONGINESwatch. If your watch needs attention, rely on an officialLONGINES dealer or an authorized LONGINES ServiceCenter as set forth in the enclosed list: they canguarantee service according to Longines Watch Co.Francillon Ltd’s standards.

* Longines Watch Co. Francillon Ltd,

CH-2610 Saint-Imier, Switzerland.

LONGINES® is a registered trademark.

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54 International guarantee / Recommendations

RECOMMENDATIONS

Like any micromechanical precision instrument, yourLONGINES watch should be checked at least every twoyears.

If you have a self-winding watch, it has a power-reserveof around two days. If necessary it can be wound man-ually.

If you have a quartz watch the electrical power is sup-plied by a battery. After 12 to 18 months of use (with theexception of watches with lithium batteries) the voltagein the battery may drop suddenly and cause your watchto stop. Some models have a battery end-of-life func-tion. The seconds hand will start to jump every 4 sec-onds. If this happens we recommend that you replacethe battery immediately, because once the batteryruns down totally it may damage your watch.

Collection and treatment of end of life quartz watches*

This symbol indicates that this productshould not be disposed with householdwaste. It has to be returned to a local au-thorized collection system. By following thisprocedure you will contribute to the protec-tion of the environment and human health. The recyclingof the materials will help to conserve natural resources.

*valid in the EU member states and in any countries with corre-sponding legislation.

Replacing the battery

We recommend that you contact an approvedLONGINES service centre or authorised LONGINES re-tailer, as they are equipped with the tools and appara-tus required to carry out the work and the necessarychecks in a professional manner. A worn-out batteryshould be replaced immediately in order to reduce therisk of leakage and consequent damage to the move-ment.

Battery type

Button-type zinc-silver oxide primary battery cell

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Recommandations

55International guarantee / Special recommendations

SPECIAL RECOMMENDATIONS

What can I do to ensure that my LONGINES watchfunctions perfectly for many years?

Magnetic fields: avoid putting your watch on a loud-speaker or on a refrigerator because these machines cre-ate magnetic fields that may damage it.

Salt-water: always rinse your watch in fresh water afterswimming in the sea.

Shocks: avoid subjecting your watch to any shocks, in-cluding sudden changes in temperature.

Screw-in crown: always make sure you have screwed thecrown in fully to avoid any humidity getting into themechanism.

Push-in crown: always push the crown back into the neu-tral position to avoid any humidity getting into themechanism.

Cleaning: use a tooth-brush and soapy water to cleanmetal bracelets and water-resistant cases and a soft clothto dry off afterwards.

Chemical products: avoid all direct contact with solvents,detergents, perfume, cosmetics, etc. which may dam-age the bracelet or strap, the case or the seals.

Temperatures: avoid exposing your watch to extreme tem-peratures (over 60°C or 140°F and under 0°C or 32°F)and to sudden fluctuations in temperature.

Water-resistance:we cannot guarantee that your watchwill be permanently water-resistant. The seal may be af-fected by wear or by an accidental shock to the crown.As recommended in our service instructions, youshould have the water-resistant seals of your watch test-ed once a year by an approved LONGINES agent.

Chronograph push-pieces: do not adjust the push-piecesunder water as this may allow humidity to get into themechanism.

Occasional winding: if your watch has not been worn for44 hours or more, wind it manually with the crown in po-sition 1.

How often should my watch be serviced?Like any other precision instrument a watch should beserviced regularly to ensure that it runs perfectly. We can-not say how often you should have your watch servicedas this depends on the model, the climate where youlive and how you look after the watch yourself. As a rule,a watch should be serviced every 4 or 5 years, dependingon the conditions in which it is worn.

Where should I go to get my watch serviced or for anew battery?We recommend that you go to an approved LONGINESagent or retailer. They are the only people who have thenecessary tools and apparatus to work on your watchand to carry out the necessary checks to a profession-al level. Moreover, only specialists can guarantee that theirwork meets the stringent quality standards set byLONGINES.

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56 Tolerances

TOLERANCES

Mechanical movements

The precision of a mechanical movement varies de-pending on the wearer’s habits. The majority ofLONGINES watches have a precision of between -15and +15 seconds per day.

Quartz movements

The ambient temperature affects the precision of a quartzmovement, which will be between -0.3 and +0.5 sec-onds per day.

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57Pictogramms

PICTOGRAMMS

Cal. Calibre

Ref. Reference

E.O.L. Battery end-of-life

Distance of horns

Convention on International Trade in Endangered Speciesof Wild Fauna and Flora

Water-resistance Water-resistant to 3 bars / 30 m*

Water-resistant to 5 bars / 50 m*

Water-resistant to 10 bars / 100 m*

Water-resistant to 30 bars / 300 m*

*The values given in meters for the water-resistance areequivalent to the degree of superpressure applied under the ISO2281 norm.

Movement Quartz

Self-winding

Manually wound

Glass Sapphire glass

Sapphire glass with one layerof anti-reflection coating on the inside

Sapphire glass with several layersof anti-reflection coating on the inside

Mineral

PMMA HT(Polymethyl methacrylate)

Case material Steel

18-carat gold

PVD

Steel/PVD

Steel/18-carat gold

Ceramic

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58

� Reinsert the bars in the twosections of the strap.

� Attach the sections to the claspso that the graduations are on theinside, i.e. against your skin, insertthe bars in the holes closest to thecentre of the clasp.

� Try your watch on.

� For the final adjustment, movethe bar to one of the holes in theclasp.

If the strap is too long, you can re-move another hole.

Rubber strap

RUBBER STRAP

• Excellent resistance to water and wear• Superb mechanical properties• Very good resistance to aggressive and extremeenvironments

• Incomparable suppleness and softness to the touch• Hi-tech product• Top-range quality• Hand-finished

We recommend that, if necessary, you have the length of your strap adjusted by a Longines agent.

We recommend that you wash your rubber strap regularly with soap and water, especially onthe inside.

� Detach the two covers over theclasp by pressing on the bars.

�Measure the circumference ofyour wrist by wrapping the strapround it. Half the number of holesthat overlap indicates the length thatsuits your wrist.

Example: half resulting in an even num-ber: 8 overlapping holes, half of 8 is4, remove 2 holes on each section.

Half resulting in a odd number: 14overlapping holes, half of 14 is 7, re-move 4 holes on the section of thestrap at 12 o’clock and 3 holes onthe section at 6 o’clock.

� Cut along the correspondinggraduations.

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59Folding clasp

FOLDING CLASP

Adjusting the clasp

� Release the adjusting mechanism by removing the pinfrom the hole in the long section of the strap.

� Slide the mechanism along this long section and thenfix it by reinserting the pin in the desired hole.

Opening the clasp

� To open the clasp press in the push-pieces on eitherside simultaneously.

�Open the clasp to enlarge the bracelet and removethe watch from your wrist.

Closing the clasp

� Put the bracelet on your wrist and slide the long sec-tion through the small fixed buckle.

� Close the folding clasp until it clicks into place. If nec-essary, slide the long section through the small mobilebuckle.

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60 Certificate of authenticity

CERTIFICATE OF AUTHENTICITY

Longines bows to the paragon of beauty: the diamond

This certificate of authenticity guarantees the quality ofeach precious stone selected by Longines’ specialists.

The cut: Longines diamonds are cut in the traditional bril-liant style.

The purity: the degree of purity of a Longines diamondis VVS (very very small inclusions). This means that it mayinclude minute imperfections which are hardly visible un-der tenfold magnification.

The colour: the colour of the diamonds used by Longinesis Top Wesselton.

The weight: the weight of a diamond is measured incarats, one carat being equal to one fifth of a gram.

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Precautions regarding water-resistance

If your watch is water-resistant it is essential that the sealsbe checked each year before the bathing season be-cause, without your realising it, they might have beendamaged as the result of a shock.

If the case has to be opened for any reason the sealsfor the glass and the case-back as well as the crown(and/or push-pieces) must be checked and, if necessary,replaced.

Screw-in crown and push-pieces

Certain Longines models have a screw-in crown whichhas to be unscrewed before each adjustment by turn-ing it anti-clockwise (fig.�).

After use, return the crown to position 2, then push inand screw in firmly in position 1 to ensure that the sealwith the case is water-resistant (fig.�).

THE SAME APPLIES FOR THE SCREW-IN PUSH-PIECES

IMPORTANT! You should always push the crown (and/orthe push-pieces) right in and screw in firmly to ensurea water-resistant seal with the case. The crown (and/orpush-pieces) should never be adjusted if the watch isin a humid atmosphere.

61Water-resistance / Crown and screw-in push-pieces

WATER-RESISTANCE / CROWN AND SCREW-IN PUSH-PIECES

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62 Adjusting the time – General information

ADJUSTING THE TIME – GENERAL INFORMATION

MODEL WITH HOUR AND MINUTE HANDS

2-position crown

Adjusting the time

Pull the crown right out to position 2. Adjust the handsby turning the crown in either direction. Push thecrown back in to position 1.

MODEL WITH HOUR AND MINUTE HANDS AND DATE

3-position crown

Adjusting the time

Pull the crown right out to position 3. Adjust the handsby turning the crown in either direction. Push thecrown back in to position 1.

Quick date adjustment

Pull the crown out to the intermediate position 2. Adjustthe date by turning the crown in either direction. Pushthe crown back in to position 1.

1 2 31 2

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63Adjusting the time – General information

ADJUSTING THE TIME – GENERAL INFORMATION

MODEL WITH HOUR, MINUTE AND SECONDS HANDSAND DATE

3-position crown

Adjusting the time and stop seconds

Pull the crown right out to position 3. The seconds handwill now stop. Adjust the time by turning the crown ineither direction. Synchronise your watch with a time sig-nal (telephone, radio, TV) and then push the crown backin to position 1. The seconds hand will jump again ex-actly one second later (logical function of adjusting thetime), which means that your watch will now be perfectlysynchronised with the time signal.

Quick date adjustment

Pull the crown out to the intermediate position 2. Adjustthe date by turning the crown in either direction. Pushthe crown back in to position 1.

Power-reserve indicator

Certain watches have a power-reserve indicator (calibresL602, L693, L697).

If the watch is worn rarely or not at all, the hand will grad-ually shift anti-clockwise. When it indicates that thepower-reserve is below 1/4, the watch should either bewound or worn to avoid it stopping.

When the watch is wound the power-reserve indicatorwill shift clockwise.

1 2 3

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64 Table of equivalents

TABLE OF EQUIVALENTS

The reference number of your watch is engraved on the case-back.

Ref. Calibre Collection PageL1.641. L650 Conquest Heritage 87L2.156. L652 Longines evidenza 87L2.503. L600 The Longines Master Collection 74L2.601. L614 The Lindbergh Hour Angle Watch 77L2.629. L651 The Longines Master Collection 87L2.631. L635 The Longines Master Collection 69L2.643. L650 Longines evidenza 87L2.648. L607 The Longines Master Collection 66L2.666. L693 The Longines Master Collection 68L2.669. L651 The Longines Master Collection 87L2.670. L599 Longines evidenza 66L2.671. L600 Longines evidenza 74L2.672. L602 Longines evidenza 68L2.673. L678 The Longines Master Collection 93L2.676. L601 The Longines Master Collection 66L2.678. L699 The Lindbergh Hour Angle Watch 77L2.688. L678 Longines evidenza 93L2.693. L696 The Longines Master Collection 89L2.701. L674 Longines evidenza 87L2.708. L602 The Longines Master Collection 68L2.713. L699 The Longines Weems Second-Setting Watch 79L2.714. L697 The Longines Master Collection 80L2.715. L698 The Longines Master Collection 80L2.716. L697 The Longines Master Collection 80L2.717. L698 The Longines Master Collection 80L2.718. L704 The Longines Master Collection 71L2.730. L705 Longines Lindbergh’s Atlantic Voyage Watch 89L2.733. L688 The Longines Column-Wheel Chronograph 89L2.741. L667 The Longines Weems Chronograph 87L2.742. L688 The Longines Column-Wheel Chronograph 89

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65Table of equivalents

TABLE OF EQUIVALENTS

Ref. Calibre Collection PageL2.743. L688 The Longines Column-Wheel Sports Chronograph 89L2.744. L688 The Longines Column-Wheel Sports Chronograph 89L2.745. L683 Longines Heritage 1951 89L2.747. L674 Longines Heritage 1954 87L3.279. L538 Conquest 84L3.635. L683 GrandeVitesse-Instrument pour Cavalier 91L3.636. L667 GrandeVitesse 87L3.637. L686 GrandeVitesse 95L3.643. L541 HydroConquest 84L3.644. L667 HydroConquest 87L3.651. L667 HydroConquest 87L3.660. L541 Conquest 84L3.661. L667 Conquest 87L3.662. L667 Conquest 87L3.665. L696 HydroConquest 89L3.666. L705 Longines Admiral 89L3.667. L705 Longines Admiral 89L3.668. L704 Longines Admiral 71L3.669. L704 Longines Admiral 71L3.670. L686 Longines Admiral 95L3.672. L541 HydroConquest 84L3.673. L667 HydroConquest 87L3.674. L633-Diver The Longines Legend Diver Watch 72L3.678. L667 Conquest 87L4.756. L651 Flagship Heritage 87L4.792. L678 Flagship Heritage 93L4.796. L683 Flagship Heritage 89L4.797. L698 Heritage Retrograde 80L4.799. L636 Flagship 67L5.656. L538 Longines DolceVita 84L5.680. L538 Longines DolceVita 84L5.687. L538 Longines DolceVita 84

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66 Self-winding watches

L599 – L601, L607

L599 -L601 L607

Show the hours, minutes, seconds and date.

3-position crown

Winding (crown pushed right in)

The natural movements of your wrist will automaticallywind your Longines watch, which has a power-reserveof 42 hours. It is only necessary to wind your watch man-ually if it has not been worn for several days.

Adjusting the time and stop seconds

Pull the crown right out to position 3. The seconds handwill now stop. Adjust the time by turning the crown ineither direction. Synchronise your watch with a time sig-nal (telephone, radio, TV) and then push the crown backin to position 1.

Quick date adjustment

Pull the crown out to the intermediate position 2. Turnthe crown backwards until the desired date is shown,then push the crown back in to position 1. It will benecessary to adjust the date at the end of each monthwith less than 31 days.

IMPORTANT! The date should never be adjusted between9 p.m. and 3 a.m. as doing so may damage themechanism.

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L636

67Self-winding watches

L636

Shows the hours, minutes, seconds, date and day.

3-position crown

Winding (crown pushed right in)

The natural movements of your wrist will automaticallywind your Longines watch, which has a power-reserveof 38 hours. It is only necessary to wind your watch man-ually if it has not been worn for several days.

Adjusting the time and stop seconds

Pull the crown right out to position 3. The seconds handwill now stop. Adjust the time by turning the crown ineither direction. Synchronise your watch with a time sig-nal (telephone, radio, TV) and then push the crown backin to position 1.

Adjusting the date and the day

Pull the crown out to the intermediate position 2, turnit forwards to adjust the date, backwards to change theday, and then push it back in again to position 1. It isnecessary to adjust the date after each month with lessthan 31 days.

IMPORTANT! The date should not be adjusted between9 p.m. and 3 a.m. as doing so may damage themechanism.

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68 Self-winding watches

L602, L693

L602 L693

Show the hours, minutes, seconds and date, as well asthe power-reserve.

3-position crown

Winding (crown pushed right in)

The natural movements of your wrist will automaticallywind your Longines watch, which has a power-reserveof 42hours. It is only necessary to wind your watch man-ually if it has not been worn for several days.

The power-reserve indicator moves automatically whenyour watch is wound manually or automatically.

Adjusting the time and stop seconds

Pull the crown right out to position 3. The seconds handwill now stop. Adjust the time by turning the crown ineither direction. Synchronise your watch with a time sig-nal (telephone, radio, TV) and then push the crown backin to position 1.

Quick date adjustment

Pull the crown out to the intermediate position 2. Turnthe crown backwards (L602) or forwards (L693) until thedesired date is shown, then push the crown back in toposition 1. It will be necessary to adjust the date at theend of each month with less than 31 days.

IMPORTANT! The date should not be adjusted between9 p.m. and 3 a.m. as doing so may damage themechanism.

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69Self-winding watches

L635 – 24 TIME ZONE

Shows the hours, minutes, seconds and date, as wellas the time in the 24 time zone where there is a refer-ence point (Longines patent no. 02266/92-3).

3-position crown

Winding (crown pushed right in)

The natural movements of your wrist will automaticallywind your Longines watch, which has a power-reserveof 42hours. It is only necessary to wind your watch man-ually if it has not been worn for several days.

Adjusting the time zone and the date

Pull the crown out to the intermediate position 2. Turnthe crown forwards or backwards to adjust the hour handin the corresponding direction by successive jumps ofone hour, which will not affect the minute or secondshands.

When the hour hand passes midnight, the date willchange automatically, indicating either the next day orthe day before, depending on the direction you turn thecrown. It is necessary to adjust the date at the end ofeach month with less than 31 days. Push the crown backin to position 1.

Adjusting the time and stop seconds

Pull the crown right out to position 3. The seconds handwill now stop. Adjust the time by turning the crown ineither direction. When the crown is turned the 24-hourdisc also turns. Synchronise your watch with a time sig-nal (telephone, radio, TV) and then push the crown backin to position 1.

L635

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70 Self-winding watches

L635 – 24 TIME ZONE

How to use your Longines24 Time zone watch

Pull the crown right out to position 3. The seconds handwill now stop.

Turn the crown in either direction so that your local time(winter time) is displayed on the 24-hour disc oppositethe town in the time zone where you are.

Push the crown back in to the intermediate position 2and adjust the hour hand to local time, checking that thedate jumps at midnight. Push the crown back in to po-sition 1.

Your watch now shows universal time on the 24-hourdisc and local time by the hands.

Example : 23 February, Paris, GMT (London) is at12 o’clock, the hands show 10 hours and 8 minutes andon the disc the 10 is opposite Paris.

How to use when travelling

Pull the crown out to the intermediate position 2. Adjustthe hour hand to correspond to the time zone of the townwhere you are (see table of towns). Push the crown backin.

Certain countries have summer time; to adjust yourwatch, carry out the same procedure.

Example : 23 February, Tokyo, GMT (London) is at 12o’clock, the hands show 18 hours and 8 minutes andon the disc the 10 is opposite Paris: this means that itis 10.08 a.m. in Paris.

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L704

71Self-winding watches

Shows the hours, minutes, seconds and date, as wellas a second time zone.

3-position crown

Winding (crown pushed right in)

The natural movements of your wrist will automaticallywind your Longines watch, which has a power-reserveof 46 hours. It is only necessary to wind your watch man-ually if it has not been worn for several days.

Adjusting the time and stop seconds

Pull the crown right out to position 3. The seconds handwill now stop. Adjust the time by turning the crown ineither direction. Synchronise your watch with a time sig-nal (telephone, radio, TV) and then push the crown backin to position 1.

Quick date adjustment

Pull the crown out to the intermediate position 2. Turnthe crown forwards until the desired date is shown, thenpush the crown back in to position 1. It will be necessaryto adjust the date at the end of each month with less than31 days.

Adjusting the time in a second time zone(24-hour hand) when travelling

Pull the crown out to the intermediate position 2. Adjustthe 24-hour hand to correspond to the time zone whereyou are by turning the crown backwards. Push the crownback in to position 1.

IMPORTANT! The date should not be adjusted between9 p.m. and 3 a.m. as doing so may damage themechanism.

L704 – 24 HOURS

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72 Self-winding watches

L633 – DIVER

Shows the hours, minutes and seconds and also enablesthe user to check his or her diving time.

Your Longines Legend Diver Watch has 2 crowns, A andDiver, which can be used for specific functions (fig.�).

Crown A: 2 positions

Winding (crown pushed right in)

The natural movements of your wrist will automaticallywind your Longines watch, which has a power-reserveof 42 hours. It is only necessary to wind your watch man-ually if it has not been worn for several days.

Adjusting the time and stop seconds

Unscrew crown A and pull it out to position 2. The sec-onds hand will now stop. Adjust the time by turning thecrown in either direction. Synchronise your watch witha time signal (telephone, radio, TV) and then push thecrown A back in to position 1, and screw in firmly.

Diver screw-in crown

Verifying your diving time

Unscrew the Diver crown. When you start diving turn therotating bidirectional ring to adjust the needle to theminute hand. Push the crown back in again and thenscrew in firmly (fig.�).

You can read off your diving time from the minute handon the graduations of the rotating bidirectional ring (fig.�).The example shows: 15 minutes diving time.

��

L633 – Diver �

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Shows the hours, minutes, seconds and date, and alsoenables the wearer to check his or her diving time.

Your Longines Legend Diver Watch has 2 crowns, A andDiver, which can be used for specific functions (fig.�).

Crown A: 3 positions

Winding (pushed right in)

The natural movements of your wrist will automaticallywind your Longines watch, which has a power-reserveof 42 hours. It is only necessary to wind it manually if thewatch is not worn for several days.

Adjusting the time and stop seconds

Unscrew crown A and pull it right out to position 3. Theseconds hand will now stop. Adjust the time by turningthe crown in either direction. Using a time signal (tele-phone, radio, TV), set the hands and push crown A backin to position 1 and then screw in firmly.

Adjusting the date

Unscrew crown A and pull it out to the intermediate po-sition 2. Turn it forwards until it shows the desired date.Push crown A back in to position 1 and screw in firmly.

Diver screw-in crown

Verifying your diving time

Unscrew the Diver crown. When you start diving turn therotating bidirectional ring to adjust the needle to theminute hand. Push the crown back in again and thenscrew in firmly (fig.�).

You can read off your diving time from the minute handon the graduations of the rotating bidirectional ring (fig.�).The example shows: 15 minutes diving time.

� �

IMPORTANT! The date should never be adjusted between9 p.m. and 3 a.m. as doing so may damage themechanism.

L633 – Diver Date

73Self-winding watches

L633 – DIVER DATE

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74 Self-winding watches

L600 – PHASES OF THE MOON

Shows the hours, minutes, seconds, date, day, monthand the phases of the Moon.

2-position crown

Winding (crown pushed right in)

The natural movements of your wrist will automaticallywind your Longines watch, which has a power-reserveof 42 hours. It is only necessary to wind your watch man-ually if it has not been worn for several days.

Adjusting the time and stop seconds

Pull the crown right out to position 2. The seconds handwill now stop. Adjust the time by turning the crown ineither direction. Synchronise your watch with a time sig-nal (telephone, radio, TV) and then push the crown backin to position 1.

Adjusting the 31-day date hand

The push-piece B for adjusting the date is situated at4o’clock. Using the soft-pointed instrument provided byLongines, press the push-piece B until the date hand ispositioned on the desired date. It is necessary to adjustthe date at the end of each month with less than 31 days.

Adjusting the month

The push-piece A for adjusting the month is situated at2 o’clock. Using the soft-pointed instrument providedby Longines, press the push-piece A until the desiredmonth is displayed.

IMPORTANT! Avoid adjusting your watch between 9 p.m.and 3 a.m. as well as adjusting the phases of the Moonusing the push-piece for that purpose between 3 p.m.and 5 p.m. as doing so may damage the mechanism.

L600

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75Self-winding watches

L600 – PHASES OF THE MOON

Adjusting the day

The push-piece D for adjusting the day is situated at 10o’clock. Using the soft-pointed instrument, press thepush-piece D to obtain the exact day.

Adjusting the phases of the Moon

The push-piece C for adjusting the phases of theMoon is situated at 8 o’clock. Using the soft-pointed in-strument provided by Longines, press the push-pieceuntil a full Moon appears in the centre of the phases ofthe Moon aperture. Determine the date of the last fullMoon from a calendar that contains such information*.Press the push-piece again once for each day since thelast full Moon.

*See Table of lunar months on page 76

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76 Table of lunar months

L600, L678 – PHASES OF THE MOON TABLE OF LUNAR MONTHS

First quarter

24 December 200923 January22 February23 March21 April20 May19 June18 July16 August15 September14 October13 November13 December12 January11 February12 March11 April10 May9 June8 July6 August4 September4 October2 November2 December1 January31 January1 March30 March29 April28 May27 June26 July24 August22 September22 October20 November20 December18 January17 February

Full moon

31 December 200930 January28 February30 March28 April27 May26 June26 July24 August23 September23 October21 November21 December19 January18 February19 March18 April17 May15 June15 July13 August12 September12 October10 November10 December9 January7 February8 March6 April6 May4 June3 July2 August31 August30 September29 October28 November28 December27 January25 February

Last quarter

7 January 20105 February7 March6 April6 May4 June4 July3 August1 September1 October30 October28 November28 December26 January24 February26 March25 April24 May23 June23 July21 August20 September20 October18 November18 December16 January14 February15 March13 April12 May11 June11 July9 August8 September8 October7 November6 December5 January 20133 February4 March

New moon

15 January 201014 February15 March14 April14 May12 June11 July10 August8 September7 October6 November5 December4 January 20113 February4 March3 April3 May1 June1 July30 July29 August27 September26 October25 November24 December23 January21 February22 March21 April20 May19 June19 July17 August16 September15 October13 November13 December11 January 201310 February11 March

2010

2011

2012

2013

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77Self-winding watches

L614, L699 – THE LINDBERGH HOUR ANGLE WATCH

The original Lindbergh Hour Angle Watch was designedby Charles Lindbergh as a navigational aid for pilots. Usedwith a sextant and a nautical almanac, this watch en-ables the wearer to quickly determine the hour angle fromGreenwich, in other words his or her longitude.

Thanks to its ingenious combination of dials, this time-piece differs from an ordinary watch in three ways:

A The indications on the dial are designed in such a waythat they show simultaneously the time (in hours, min-utes and seconds) and the hour angle (in degrees andminutes of arc).

B The rotating central dial shows the seconds and it canbe turned using the crown in order to synchronise thewatch with a time signal.

C The bezel can be rotated to correct the equation oftime (which varies from one day to the next).

3-position crown

Winding (crown pushed right in)

The natural movements of your wrist will automaticallywind your Longines watch, which has a power-reserveof 42 hours. It is only necessary to wind the watch man-ually if it has not been worn for several days.

Adjusting the time and stop seconds

Pull the crown right out to position 3. The seconds handwill now stop. Adjust the time by turning the crown ineither direction. Synchronise the watch with a time sig-nal (telephone, radio, TV) and then push the crown backin to position 1.

Synchronising the watch with a time signal

In the intermediate position 2, the crown can be usedto turn the central dial (in either direction). Pull the crownout to the intermediate position 2 and turn the centraldial so that the seconds hand points to the “60/15” po-sition on the last pip of the time signal. Push the crownback in to position 1.

Push-piece D at 4 o’clock

This is for opening the case back, thus revealing themovement through a protective sapphire glass.

The space/time dial and how it works

The design of the whole of The Lindbergh Hour AngleWatch takes into account the fact that the Earth revolvesthrough 360° in 24 hours, through 180° in 12 hours,through 15° in 1 hour and through 15’ of arc in 1 minute.

L614, L699

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78 Self-winding watches

L614, L699 – THE LINDBERGH HOUR ANGLE WATCH

Consequently:

The hour hand indicates 15° per hour. One complete cir-cle of the dial (12 hours) is equivalent to 180°.

The minute hand indicates 1° per 4’, in other words 15°per hour. Each of the 15° is subdivided into four sectorsof 15’ of arc. All these indications are engraved on therotating bezel.

One complete circle of the centre seconds is equivalentto 15’ of arc. The rotating central dial is divided into 60’’and 15’ of arc.

How to use your Lindbergh Hour Angle Watch

Having synchronised your watch with a time signal. Asan example when you check it your watch shows4 hours, 37 minutes and 12 seconds. The equation oftime for the day in question is minus 4 minutes and50 seconds.

Therefore move the marker situated at “15” on the bezel4 graduations to the left. These graduations representthe minutes engraved around the case.

Your data are as follows:

Seconds hand (centre dial) 3’

Minute hand (bezel) 10° 15’

Hour hand (main dial) 60°

As you have only turned the bezel by 4 min-utes, you still have to take into account the50 seconds (the equation of time being4minutes and 50 seconds for the day inquestion).

On the central dial, the 50 is opposite 12½ . /. 12½’

Greenwich hour angle of the sun(your longitude) 70° 5½’

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79Self-winding watches

L699 – THE LONGINES WEEMS SECOND-SETTING WATCH

Shows the hours, minutes and seconds. The central ro-tating dial indicates the seconds; it can be adjusted tosynchronise the watch with a time signal using the crown,without affecting the seconds, minutes and hours.

3-position crown

Winding (crown pushed right in)

The natural movements of your wrist will automaticallywind your Longines watch, which has a power-reserveof 42 hours. It is only necessary to wind the watch man-ually if it has not been worn for several days.

Adjusting the time and stop seconds

Pull the crown right out to position 3. The seconds handwill now stop. Adjust the time by turning the crown ineither direction. Synchronise your watch with a time sig-nal (telephone, radio, TV) and then push the crown backin to position 1.

Synchronising the watch with a time signal

In the intermediate position 2, the crown can be usedto turn the central dial (in either direction). Pull the crownout to the intermediate position 2 and turn the centraldial so that the seconds hand points to the “60” posi-tion on the last pip of the time signal. Push the crownback in to position 1.

Push-piece A at 4 o’clock

This is for opening the case back thus revealing themovement through a protective sapphire glass.

L699-Weems

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80 Self-winding watches

L697, L698 – 3X / 4X RETROGRADE

L697 Shows the hours, minutes, seconds and power-reserve with a retrograde display of the day, date andtime in a second time zone.

L698Shows the hours and minutes and has a retrogradeseconds aperture, day, date and second time zone.

3-position crown

The crown can be used not only to adjust the hour,minute and seconds hands but also interdependently theday, date and time in a second time zone.

Winding (crown pushed right in)

The natural movements of your wrist will automaticallywind your Longines watch, which has a power-reserveof 46 hours. It is only necessary to wind your watch man-ually if it has not been worn for several days.

The power-reserve indicator (L697) will shift automati-cally when the watch is wound manually or by the move-ments of your wrist.

Adjusting the time and stop seconds

Pull the crown right out to position 3. The seconds handwill now stop. Adjust the time by turning it in either di-rection. Synchronise your watch with a time signal (tele-phone, radio, TV) and then push the crown back in. Thisadjustment will also affect the time in a second time zone,as well as the day and date each time the hand pass-es midnight, the adjustment being effected when thecrown is pushed back in to position 1. The day, date and24-hour time zone indicators are excluded from the ret-rograde sectors when the crown is pulled out to posi-tion 3.

Quick time adjustment

Pull the crown out to the intermediate position 2. Turnit in either direction. The hour hand will jump forwardsby 1 hour at a time without affecting the minute or sec-onds hands. Then push the crown back in to position 1.This adjustment will also affect the day and date eachtime the hand passes midnight, the adjustment beingeffected when the crown is pushed back in to position 1.

L697

C

L698

C

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81Self-winding watches

L697, L698 – 3X / 4X RETROGRADE

The day, date and 24-hour time zone indicators are ex-cluded from the retrograde sectors when the crown ispulled out to position 2.

Adjusting the time (a.m./p.m.)

The dial is divided into 12 hours. The date and the dayof the week change only once every 24 hours (each timethe hour hand completes two circles of the dial).

In order to ensure that the date and day change at mid-night, please follow the instructions below beforechanging the date and the day of the week.

Note the day of the week indicated on the dial.

Pull the crown out to position 2 (Quick time adjustment)and turn it clockwise until the hour hand has complet-ed one circle.

Push the crown back in to position 1 (Winding).

Check that the day of the week has changed.

If so, the watch will now indicate morning (a.m.). If thewatch indicates morning but it is in fact afternoon pullthe crown out to position 2 (Quick time adjustment) andturn it until the hour hand has completed one circle.

If, however, the day of the week has not changed, thewatch will indicate afternoon (p.m.). If the watch indicatesafternoon but it is in fact morning pull the crown out toposition 2 (Quick time adjustment) and turn it until the hourhand has completed one circle.

Push the crown back in to position 1 (Winding).

24-hour indicator: if you do not wish to use the Secondtime zone function you can convert it into a 24-hour in-dicator. This will enable you to avoid this step in the fu-ture. See under: Synchronising the time in a second timezone / 24-hour indicator.

The functions of the 3 push-pieces

The 3 push-pieces can be used when the crown is inany position.

Adjusting the day of the week

Press push-piece A to adjust the day of the week.

Adjusting the date

Press push-piece B to adjust the date.

IMPORTANT! Do not change the date or use the push-pieces A (for the day) or B (for the date) between 9 p.m.and 3 a.m. as doing so may damage the mechanism.

IMPORTANT! You will not see any changes on the dialwhen using the crown in positions 2 and 3.

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82 Self-winding watches

L697, L698 – 3X / 4X RETROGRADE

Adjusting the time in the second time zone(24-hour hand)

IMPORTANT: push-piece Cmust be unscrewed before useby turning anti-clockwise. After use screw in firmly to en-sure that the seal with the case remains water-resistant.

Press push-piece C to adjust the time in the second timezone by successive steps of 1 hour, which will not af-fect the minute and seconds hands.

Example: you are on Geneva time (home) and it is 8 a.m.You know that there is an 8-hour difference betweenSwitzerland and Japan.

Option a: you leave your watch on Geneva time and date.You press push-piece C to adjust the time in the secondtime zone so that the 24-hour hand is on 16 (4 p.m.Japanese time).

Option b: you travel to Japan and want your watch toshow Japanese time and date. You adjust the time byturning the crown (in position 2) clockwise so that the24-hour hand is on the 4 (4 p.m. Japanese time). Thenpush the crown back in. The time shown in the secondtime zone will stay at 8 a.m. (Geneva time: home).

Synchronising the time in the second time zone /the 24-hour hand

To synchronise the time in the second time zone with theactual time where you are, use push-piece C. If the watchstops you will immediately see from the time in the sec-ond time zone whether your watch is showing morning(a.m.) or afternoon (p.m.).

Please note that if you use the Quick time adjustment func-tion (crown in position 2), the synchronisation will be in-terrupted.

Screw in push-piece C firmly to ensure that the seal withthe case remains water-resistant.

L697 L698

L697 L698

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83Chronographs – General information

CHRONOGRAPHS – GENERAL INFORMATION

The chronograph

The chronograph is an instrument for measuring shortperiods of time. It is used mainly in sport but also in avi-ation or for scientific experiments, for example.

Column Wheel

The column-wheel movement is reputed for the feelingof crisp efficiency its handling provides. In particular, theinstant responsiveness of its pushpieces adds to thepleasure of using the chronograph.

Split-seconds function

In a chronograph with a split-seconds function, a sec-ond hand is superimposed over the trotteuse. When in-termediate times are read off, only the split-seconds handstops. When the push-piece is pressed again, it catch-es up with the trotteuse.

Tachometric scale

The tachometric scale is a series of graduations on thedial or the bezel of the chronograph that enable the userto determine mean speeds on the basis of an observationtime of less than 60 seconds.

Measure the time needed to cover 1 kilometre (or 1 mile).The position of the seconds hand when it stops indicatesthe mean speed. If it takes 30 seconds to cover 1 km(or 1 mile), the scale will indicate a mean speed of120 kph (or 120 mph).

IMPORTANT! The time should not be adjusted while thechronograph function is being used.

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84 Quartz chronographs

L538, L541

L538 L541

Longines’ quartz chronographs fitted with calibre L538or L541 show the hours, minutes, seconds and the date.

As far as concerns the chronograph functions, thesemodels can be used to time events that last up to 30minutes (cal. L538) or 12 hours (cal. L541), and showthe results to a 1/10th of a second.

3-position crown

Adjusting the time and stop seconds

In order to synchronise your watch with a time signal (ra-dio, telephone, etc.), pull the crown right out to position 3,when the small seconds is on the 60, then push thecrown back in again to position 1 on the time signal. Thedate will change every time the hour hand passes mid-night.

Changing the time zone and the date

Pull the crown out to the intermediate position 2. The hourhand can be moved in either direction without affectingthe minute and seconds hands. Turn the crown until the

desired date appears. The date changes at midnight.Push the crown back in to position 1.

CHRONOGRAPH FUNCTIONS

Standard Start-Stop functionAdd Rally function (partial times)Split (intermediate times)

Standard Start-Stop function

Used for timing a single event:

Press push-piece A to start the chronograph.Press push-piece A to stop the chronograph.Press push-piece B to return to zero.

IMPORTANT! Do not leave the crown in the intermedi-ate position 2 for longer than 20 minutes as this mayaffect the time function.

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85Quartz chronographs

L538, L541

Add Rally function (partial times)

Used for measuring successive events but not the in-tervals between them. Each result is automaticallyadded to the preceding one. To time the different stagesof a car rally, for example:

At the start of the first stage, press push-piece A to startthe chronograph.

At the end of the first stage, press push-piece A againand the chronograph will stop.

Repeat this procedure for each stage of the rally.

At the end of the final stage the chronograph will showthe total time of the rally, in other words, the accumu-lated time for all the stages.

Press push-piece B to return to zero.

Split function (intermediate times)

This function is used to time one single event. Interme-diate times are accumulated throughout the event.

IMPORTANT!While the watch displays an intermediate timethe chronograph function will still be timing the event.

Press push-piece A at the start of the event you wish totime, for example a walking race.

Press push-piece B to see the first intermediate time.

Press push-piece B again and the chronograph handswill jump to the correct time since the start of the race.

Repeat this procedure, pressing push-piece B once tosee the second intermediate time and again to make thechronograph hands jump to the current time.

IMPORTANT! Pressing on push-pieces A and B for morethan a second will cause the hands to move forwardrapidly.

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86 Quartz chronographs

L538, L541

At the end of the race, press push-piece A to see thetotal time for the race.

Press push-piece B to return to zero.

NB: the split function/intermediate times can also be usedto record consecutively the times of various competitorsas they finish a race.

Return to zero

If for any reason the chronograph hands to not returnexactly to zero, take the following action:

Tachometric scaleSee page 83

At the end of the race, press push-piece A to see thetotal time for the race.

Press push-piece B to return to zero.

NB: the split function/intermediate times can also be usedto record consecutively the times of various competitorsas they finish a race.

Return to zero

If for any reason the chronograph hands to not returnexactly to zero, take the following action:

L541

Chronograph 12-hour counter:With the crown in position 2, press push-piece A.

Chronograph 60-minute counter:With the crown in position 2, press push-piece B.

Chronograph 60-second counter:With the crown in position 3, press push-piece A.

Chronograph 1/10th of a second counter:With the crown in position 3, press push-piece B.

L538

Chronograph 30-minute counter:With the crown in position 2, press push-piece A.

Chronograph 60-second counter:With the crown in position 3, press push-piece A.

Chronograph 1/10th of a second counter:With the crown in position 3, press push-piece B.

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87Self-winding chronographs

L650, L651, L652, L667, L674

Show the hours, minutes, seconds, date, and day (L674).Can be used to time events that last up to 30 minutes(cal. L651) or 12 hours (cal. L650, L652, L667, L674),the results being shown to 1/5th of a second.

3-position crown

Winding (crown pushed right in)

The natural movements of your wrist will automaticallywind your Longines chronograph, which has a power-reserve of 42 hours. It is only necessary to wind it man-ually if your chronograph is not worn for several days.

Adjusting the time and stop seconds

Pull the crown right out to position 3, the counter hand(small seconds) will stop. Adjust the time by turning thecrown in either direction. When the time shown is syn-chronised with a time signal (telephone, radio, TV), pushthe crown right in to position 1 again.

Quick date adjustment (L650, L651, L652)

Pull the crown out to the intermediate position 2, turnit backwards to adjust the date and then push it backin again to position 1. It is necessary to adjust the dateafter each month with less than 31 days.

Quick date adjustment (L667)

Pull the crown out to the intermediate position 2, turnit forwards to adjust the date and then push it back inagain to position 1. It is necessary to adjust the date aftereach month with less than 31 days.

Adjusting the date and the day (L674)

Pull the crown out to the intermediate position 2, turnit forwards to adjust the date, backwards to change the

IMPORTANT! The date should never be adjusted between8 p.m. and 3 a.m. as doing so may damage themechanism.

L652

23

60

30 60

30

10

40

50

20

15

5

20

25

10

30

5

35

10

40

15

55

25

50

20

45

L651L650

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88 Self-winding chronographs

L650, L651, L652, L667, L674

day, and then push it back in again to position 1. It isnecessary to adjust the date after each month with lessthan 31 days.

CHRONOGRAPH FUNCTIONS

Standard Start-Stop functionAdd Rally function (partial times)

Standard Start-Stop function

Used for timing a single event:

Press push-piece A to start the chronograph.Press push-piece A to stop the chronograph.Press push-piece B to return to zero.

Add Rally function (partial times)

Used for measuring successive events but not the in-tervals between them. Each result is automaticallyadded to the preceding one. To time the different stagesof a car rally, for example:

At the start of the first stage, press push-piece A to startthe chronograph.

At the end of the first stage, press push-piece A againand the chronograph will stop.

Repeat this procedure for each stage of the rally. At theend of the final stage the chronograph will show the to-tal time of the rally, in other words, the accumulated timefor all the stages.

Press push-piece B to return to zero.

Tachometric scaleSee page 83

IMPORTANT! Calibres L650, L651, L652: the time shouldnot be adjusted while the chronograph function is be-ing used.

L674L667 (GrandeVitesse)L667 (HydroConquest)

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89Self-winding chronographs

L683, L688 – COLUMN WHEEL, L696, L705

Show the hours, minutes, seconds, and the date. Canbe used to time events that last up to 30 minutes(cal.L705) or 12 hours (cal. L683, L688, L696), the re-sults being shown to 1/5th of a second.

2-position crown

Winding (crown pushed right in)

The natural movements of your wrist will automaticallywind your Longines chronograph, which has a power-reserve of 46 hours (54 hours for cal. L688). It is only nec-essary to wind your watch manually if it has not be wornfor several days.

Adjusting the time and stop seconds

Pull the crown right out to position 2, which will stop thecounter hand (small seconds). Adjust the time by turn-ing the crown in either direction. Synchronise the watchwith a time signal (telephone, radio, TV) and push thecrown back in again to position 1.

Quick date adjustment

Push-piece C for adjusting the date is at 10 o’clock. Us-ing the soft-pointed instrument provided by Longines,press the push-piece to obtain the exact date. It is nec-essary to adjust the date at the end of each month withless than 31 days.

CHRONOGRAPH FUNCTIONS

Standard Start-Stop functionAdd Rally function (partial times)

Standard Start-Stop function

Used for timing a single event:

Press push-piece A to start the chronograph.Press push-piece A to stop the chronograph.Press push-piece B to return to zero.

IMPORTANT! The date should not be adjusted between9 p.m. and 3 a.m. as doing so may damage themechanism.

C

L683

C

L688 (Column Wheel)

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90 Self-winding chronographs

L683, L688 – COLUMN WHEEL, L696, L705

Add Rally function (partial times)

Used to measure successive events but not the inter-vals between them. Each time is added to the preced-ing one. To time different stages of a car rally, proceedas follows:

At the start of the first stage, press push-piece A to startthe chronograph.

At the end of the first stage, press push-piece A againto stop the chronograph.

Repeat for each stage of the rally. At the end of the fi-nal stage the chronograph will display the total time, inother words the accumulated time for all the stages.

Press push-piece B to return to zero.

Tachometric scaleSee page 83

C

L696

C

L705

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6560

7055

65

44

40

35

5550454035

30

60

051015

25

20

1512

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L683 CAVALIER

91Self-winding chronographs

L683 – INSTRUMENT POUR CAVALIER

Shows the hours, minutes, seconds and the date. Canbe used to time events lasting up to 12 hours and dis-plays the results to 1/5th of a second.

2-position crown

Winding (crown pushed right in)

The natural movements of your wrist will automaticallywind your Longines chronograph, which has a power-reserve of 46 hours. It is only necessary to wind yourwatch manually if it has not been worn for several days.

Adjusting the time and stop seconds

Pull the crown right out to position 2, which will stop thecounter hand (small seconds). Adjust the time by turn-ing the crown in either direction. Synchronise the watchwith a time signal (telephone, radio, TV) and push thecrown back in to position 1.

Quick date adjustment

Push-piece C for adjusting the date is at 10 o’clock. Us-ing the soft-pointed instrument provided by Longines,press the push-piece to obtain the exact date.

CHRONOGRAPH FUNCTIONS

Standard Start-Stop functionAdd Rally function (partial times)

Standard Start-Stop function

Used for timing a single event:

Press push-piece A to start the chronograph.Press push-piece A to stop the chronograph.Press push-piece B to return to zero.

IMPORTANT! The date should not be adjusted between9 p.m. and 3 a.m. as doing so may damage themechanism.

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92 Self-winding chronographs

L683 – INSTRUMENT POUR CAVALIER

Add Rally function (partial times)

Used for measuring successive events but not the in-tervals between them. Each result is automaticallyadded to the preceding one. To time the different stagesof a car rally, for example:

At the start of the first stage, press push-piece A to startthe chronograph.

At the end of the first stage, press push-piece A againand the chronograph will stop.

Repeat this procedure for each stage of the rally. At theend of the final stage the chronograph will show the to-tal time of the rally, in other words, the accumulated timefor all the stages.

Press push-piece B to return to zero.

Tachometric scaleSee page 83

Tachometric scale for riders

This scale comprises graduations on the dial of yourchronograph. It can only be used to measure speeds ofbetween 34 kph and 70 kph over a time period of at least50 seconds.

Measure the time required to cover1 km. The position of the secondshand upon completion of the 1 kmindicates the mean speed.

Start: press push-piece Awhen the horse passes a givenmarker (fig.�).

Stop: press push-piece A again when the horse passesthe second marker placed 1 km from the first one (fig.�).

Speed: in this example, the horse has taken 65 secondsto cover one kilometre, with an averge speed of around55 kph.

� �

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L678

93Self-winding chronographs

L678 – PHASES OF THE MOON

Shows the hours, minutes, seconds, day, month, dateand phases of the Moon. Can be used to time eventslasting up to 12 hours, showing the result to 1/5th of asecond.

3-position crown

Winding (crown pushed right in)

The natural movements of your wrist will automaticallywind your Longines chronograph, which has a power-reserve of 42 hours. It is only necessary to wind yourwatch manually if it has not been worn for several days.

Adjusting the time and stop seconds

Pull the crown right out to position 3. The counter hand(small seconds) will now stop. Adjust the time by turn-ing the crown in either direction. Synchronise the watchwith a time signal (telephone, radio, TV) and push thecrown back in to position 1.

Quick adjustment of the date and monthPull the crown right out to position 2 and turn it back-wards to adjust the date and month. Then push it backin to position 1. It is necessary to adjust the date at theend of each month with less than 31 days.

Adjusting the phases of the MoonPull the crown out to the intermediate position 2 and turnit forwards to adjust the phase of the Moon, which youcan check in the table of lunar months*. Then push thecrown back in to position 1.

Adjusting the day of the weekPush-piece C for adjusting the day of the week is situ-ated at 10 o’clock. Using the soft-pointed instrument pro-vided by Longines, press the push-piece to obtain theexact day.

IMPORTANT! The date and the phases of the Moon shouldnot be adjusted between 7 p.m. and 6 a.m. as doing somay damage the mechanism.

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94 Self-winding chronographs

L678 – PHASES OF THE MOON

CHRONOGRAPH FUNCTIONS

Standard Start-Stop functionAdd Rally function (partial times)

Standard Start-Stop function

Timing a single event:

Press push-piece A to start the chronograph.Press push-piece A again to stop the chronograph.Press push-piece B to return to zero.

Add Rally function (partial times)

For timing successive events but not the intervals be-tween them. Each result will be automatically added tothe preceding one. To time different stages of a car rally,proceed as follows:

At the start of the first stage, press push-piece A and thechronograph will start.

At the end of the first stage, press push-piece A againand the chronograph will stop.

Repeat for each stage of the rally. At the end of the finalstage the chronograph will show the total time taken, inother words the accumulated time for all the stages.

Press push-piece B to return to zero.

*See table of lunar months on page 76

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L686

95Self-winding chronographs

L686 – 24 HOURS

Shows the hours, minutes, seconds and date, as wellas a second time zone.

The chronograph functions enable the user to time eventslasting up to 12 hours and display the results to 1/5thof a second.

3-position crown

Winding (crown pushed right in)

The natural movements of your wrist will automaticallywind your Longines chronograph, which has a power-reserve of 46 hours. It is only necessary to wind the watchmanually if it has not been worn for several days.

Adjusting the time and stop seconds

Pull the crown right out to position 3, which will stop thesmall seconds on the dial. Adjust the time by turning thecrown in either direction. Synchronise your watch witha time signal (telephone, radio, TV) and push the crownback in again to position 1.

Quick date adjustment

Pull the crown out to the intermediate position 2, turnit forwards to the desired date and then push it back inagain to position 1. It is necessary to adjust the date atthe end of each month with less than 31 days.

Adjusting the time in a second time zone when travel-ling (24 hour hand)

Pull the crown out to the intermediate position 2. Turnit backwards to reverse the second time zone hand bysuccessive 1-hour steps, which will not affect theminute and seconds hands.

Adjust the 24-hour hand according to the time zone ofyour present location. Push the crown back in to posi-tion 1 after each adjustment.

IMPORTANT! The date should not be adjusted between9 p.m. and 3 a.m. as doing so may damage themechanism.

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96 Self-winding chronographs

L686 – 24 HOURS

CHRONOGRAPH FUNCTIONS

Standard Start-Stop functionAdd Rally function (partial times)

Standard Start-Stop function

Used for timing a single event:

Press push-piece A to start the chronograph.Press push-piece A to stop the chronograph.Press push-piece B to return to zero.

Add Rally function (partial times)

Used for measuring successive events but not the in-tervals between them. Each result is automaticallyadded to the preceding one. To time the different stagesof a car rally, for example:

At the start of the first stage, press push-piece A to startthe chronograph.

At the end of the first stage, press push-piece A againand the chronograph will stop.

Repeat this procedure for each stage of the rally. At theend of the final stage the chronograph will show the to-tal time of the rally, in other words, the accumulated timefor all the stages.

Press push-piece B to return to zero.

Instructions for use when travelling

Pull the crown out to the intermediate position 2. Ad-just the 24-hour hand according to the time zone of yourpresent location by turning the crown backwards.Push the crown back in again.

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