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. The caseback is open, so the movement is visible.

All Laventure watchesBronze diver watchesCuSn8Skin-safe backDiversDisplay back
Alloy
CuSn8 marine bronze
Water resistance
200 m
Caseback
Steel
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
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, Bronze bracelet
High confidence Verified Jul 2026 Source: Laventure Maker ↗
Facts are free to cite with a link.
See it in the interactive guide

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Alternatives to the Laventure Sous-Marine II Bronze

Cronos Bronze CuSn8CronosBronze CuSn8$13642.0 mmDiversame category · same style · similar size · same movement
Proxima62MAS Bronze$14039.0 mmDiversame category · same style · similar size · same movementAddiesdive Bronze Captain WillardAddiesdiveBronze Captain Willard$14943.8 mm13.5 mm thickDiversame category · same style · similar size · same movementHeimdallr Bronze MM300HeimdallrBronze MM300$15944.0 mm15.5 mm thickDiversame category · same style · similar size · same movementTandorio 50 Fathoms CuSn8 Bronze DiverTandorio50 Fathoms CuSn8 Bronze Diver$16140.0 mm14 mm thickDiversame category · same style · similar size · same movementTandorio CuSn8 Solid Bronze TurtleTandorioCuSn8 Solid Bronze Turtle$16244.0 mm14 mm thickDiversame category · same style · similar size · same movement

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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