The Bronze Field Guide

Yema Navygraf Forces Sous-Marines FOST Bronze

YNAVZ22FSM-AAS

The Yema Navygraf Forces Sous-Marines FOST Bronze is a current-production diver watch with a bronze (patina-developing copper alloy, grade not stated by maker) case. It measures 38.5 mm across, 11.3 mm thick, and is water resistant to 300 m. Inside is the YEMA2000 in-house automatic movement, with 42 hours power reserve. Complications: Time only. Priced from $1,350 (approx; USD list, recently discounted near 957 at maker). Brand origin: France.

Bronze diver watchesDivers
Reference
YNAVZ22FSM-AAS
Type
Diver
Price
$1,350 · approx; USD list, recently discounted near 957 at maker
Case diameter
38.5 mm
Thickness
11.3 mm
Lug-to-lug
Water resistance
300 m
Weight
Origin
France
Movement
In-house automatic
Caliber
YEMA2000
Power reserve
42 hours
Complications
Time only
Ceramic
Bronze (grade not stated)
Colour
Hardness
Construction
Assembled
Surface treatment
Caseback
Nickel-free
Not verified (contact-point materials not all confirmed)
Bracelet / strap
Marine Nationale parachute elastic strap, also vintage leather or tropic rubber
Ceramic bracelet
Crystal
Double-domed sapphire
Display back
No
Dial
Glossy black
Lume
Super-LumiNova
Availability
Offered
Status
Current
Medium confidence Verified Jul 2026 Source: Yema / Monochrome / Time+Tide Maker / listing ↗
Facts are free to cite with a link.
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Frequently asked questions

What bronze alloy is the Yema Navygraf Forces Sous-Marines FOST Bronze?

The Yema Navygraf Forces Sous-Marines FOST Bronze has a bronze (patina-developing copper alloy, grade not stated by maker) case. It is recorded at medium confidence pending a maker-stated alloy.

What size is the Yema Navygraf Forces Sous-Marines FOST Bronze?

It is 38.5 mm in diameter, 11.3 mm thick, and water resistant to 300 m.

How much does the Yema Navygraf Forces Sous-Marines FOST Bronze cost, and is it available?

It is current-production and lists from $1,350.

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