Stainless steel and 18 ct goldBezel without diamonds

The following collections feature stainless steel and 18 ct gold without diamonds :Longines PrimaLuna Conquest Classic The Longines Elegant Collection The Longines Master Collection (Exception: The Longines Master Collection L2.128.5 in size 25.50 mm) The Longines Saint-Imier Collection

Gold cap

Stainless steel200 μm minimum

Outside ingrave markings:Back of the case and folding clasp

1 GC200 / Stainless steel (Gold cap 200 microns)

3 Responsibility mark LONGINES

1

3

1 3

Gold cap

Stainless steel

Stainless steel and 18 ct goldBezel with diamonds

The following collections feature stainless steel and 18 ct gold with diamonds bezel :Longines PrimaLuna Longines DolceVitaConquest Classic The Longines Elegant Collection The Longines Saint-Imier Collection

Diamonds

18 carat gold

Gold cap

Stainless steel

2

3

Outside ingrave markings:Back of the case and folding clasp

2 Stainless steel / Au 750

3 Responsibility mark LONGINES

Bracelet construction:A The central part of a link is made out of 316L

stainless steelB It is wrapped in a 18ct gold cap of a minimum

thickness of 0.2 mm.

A B

Stainless steel and 18 ct goldCrown in solid gold

The crown is considered to be part of the movement, not of the case. As a result, the appropriate marking of the case back is “ALL STAINLESS STEEL”.

GoldHow to identify the gold used in a Longines watch

ON THE CASE-BACK AND THE BRACELET

8

3

4

6

2

51

3

4

7

ON THE INSIDE BACK COVER OF THE CASE

1

9

2

10

11

1. Standard of finenessThis indicates the proportion of a pure precious metal contained in an alloy. It is expressed in thousands, e.g. 750/1000, or in carats in the case of gold, e.g. 18 carats, 24 carats being 100 % gold.

2. Logotype of the manufacturerFor example, the hammer is the collective responsibility mark for manufacturers of watch-cases in the Jura.

3. Swiss assay markEvery watch-case made of gold, silver, platinum or palladium sold in Switzerland has to be officially assayed and hallmarked. A single official hallmark was adopted in 1995 – the St. Bernard head.

4. Common control markHallmark of the multilateral convention on the control and hallmarking of objects made of precious metals (Vienna Convention).

5. Responsibility mark

6. Standard of fineness

7. Serial numberIndividual number allotted to each watch manufactured in the Longines workshops.

8. Reference numberReference number of the watch-case.

9. The watchReference number (internal Longines number).

10. Thickness of the case4/10 indicates that the thickness of the case-back is at least four tenths of a millimeter.

11. The calibreReference number of the calibre used in the watch.