The Wristwatch Field Guide

Laventure Sous-Marine II Bronze

The Laventure Sous-Marine II Bronze is a current-production diver watch with a cusn8 marine bronze case. The caseback is open, so the movement is visible.

All Laventure watchesExotic-material diver watchesBronzeDiversDisplay back
Material
Bronze
Grade / type
CuSn8 marine bronze
Water resistance
200 m
Type
Diver
Case diameter
41.0 mm
Thickness
10.2 mm
Origin
Switzerland
Movement
Swiss automatic in-house
Caliber
Laventure Caliber 2
Power reserve
60 hours
Complications
Time only
Construction
Assembled
Caseback
Steel
Nickel-free
No (steel contact)
Bracelet / strap
Ships on leather or FKM rubber strap
Crystal
Domed Superdome sapphire, internal AR
Display back
Yes
Dial
Gradient lacquer (green, blue, black)
Dial colours
Black Blue Green
Lume
Vintage beige Super-LumiNova
Availability
Offered
Status
Current
Not published
Reference, Price, Lug-to-lug, Weight, Colour, Hardness, Surface treatment, Matching bracelet
High confidence Verified Jul 2026 Source: Laventure Maker ↗
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 is the case material of the Laventure Sous-Marine II Bronze?

The Laventure Sous-Marine II Bronze has a cusn8 marine 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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