The Bronze Field Guide

Proxima Bronze 65

The Proxima Bronze 65 is a current-production diver watch with a cusn8 marine bronze (copper-tin) case. It is priced well under the $599 median for the category. Nothing touching the skin is nickel-bearing steel, verified across the case, caseback and bracelet.

All Proxima watchesBronze diver watchesCuSn8Skin-safe backDiversUnder $500
Price
$240
Alloy
CuSn8 marine bronze
Water resistance
200 m
Caseback
Titanium
Type
Diver
Case diameter
40.0 mm
Thickness
14 mm
Lug-to-lug
48 mm
Origin
China
Movement
Japanese automatic (Seiko TMI)
Caliber
NH35
Power reserve
41 hours
Complications
Date
Construction
Assembled
Nickel-free
Yes
Bracelet / strap
Rubber or leather strap (buyer choice)
Crystal
Domed sapphire with anti-reflective coating
Display back
No
Dial
Black with faux-aged lume, plus other variants
Dial colours
Black
Lume
Swiss C3 Super-LumiNova
Availability
Offered
Status
Current
Not published
Reference, Weight, Colour, Hardness, Surface treatment, Bronze bracelet
Medium confidence Verified Jul 2026 Source: WR Watches
Facts are free to cite with a link.
See it in the interactive guide

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Frequently asked questions

Is the Proxima Bronze 65 nickel-free?

Yes. Nothing nickel-bearing touches the skin: a cusn8 marine bronze (copper-tin) case with a titanium caseback, plus a non-steel crown and strap. The Bronze Field Guide marks it nickel-free for whole-watch skin contact. If your allergy is severe, confirm the contact points with the maker.

What bronze alloy is the Proxima Bronze 65?

The Proxima Bronze 65 has a cusn8 marine bronze (copper-tin) case with a titanium caseback. It is recorded at medium confidence pending a maker-stated alloy.

What size is the Proxima Bronze 65?

It is 40.0 mm in diameter, 14 mm thick, 48 mm lug to lug, and water resistant to 200 m.

How much does the Proxima Bronze 65 cost, and is it available?

It is current-production and lists from $240.

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