The Bronze Field Guide

Laventure Sous-Marine II Bronze

The Laventure Sous-Marine II Bronze is a current-production diver watch with a cusn8 bronze case. It measures 41.0 mm across, 10.2 mm thick, and is water resistant to 200 m. Inside is the Laventure Caliber 2 swiss automatic in-house movement, with 60 hours power reserve. Complications: Time only. Brand origin: Switzerland.

Bronze diver watchesCuSn8Skin-safe backDiversDisplay back
Reference
–
Type
Diver
Price
–
Case diameter
41.0 mm
Thickness
10.2 mm
Lug-to-lug
–
Water resistance
200 m
Weight
–
Origin
Switzerland
Movement
Swiss automatic in-house
Caliber
Laventure Caliber 2
Power reserve
60 hours
Complications
Time only
Ceramic
CuSn8 marine bronze
Colour
–
Hardness
–
Construction
Assembled
Surface treatment
–
Caseback
Steel
Nickel-free
No (steel contact)
Bracelet / strap
Ships on leather or FKM rubber strap
Ceramic bracelet
–
Crystal
Domed Superdome sapphire, internal AR
Display back
Yes
Dial
Gradient lacquer (green, blue, black)
Lume
Vintage beige Super-LumiNova
Availability
Offered
Status
Current
High confidence Verified Jul 2026 Source: Laventure Maker / listing ↗
Facts are free to cite with a link.
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Frequently asked questions

Is the Laventure Sous-Marine II Bronze nickel-free?

No. At least one part that touches the skin is nickel-bearing steel (commonly the caseback or clasp), so the guide does not mark it nickel-free.

What bronze alloy is the Laventure Sous-Marine II Bronze?

The Laventure Sous-Marine II Bronze has a cusn8 bronze case, though its caseback is steel. This is confirmed against the maker spec.

What size is the Laventure Sous-Marine II Bronze?

It is 41.0 mm in diameter, 10.2 mm thick, and water resistant to 200 m.

How much does the Laventure Sous-Marine II Bronze cost, and is it available?

It is current-production; the guide does not list a price for it.

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