The Bronze Field Guide

Thorn Bronze A11 Military

The Thorn Bronze A11 Military is a current-production field watch with a cusn8 marine bronze (copper-tin) case. It is priced well under the $1,200 median for the category. Nothing touching the skin is nickel-bearing steel, verified across the case, caseback and bracelet.

All Thorn watchesBronze field watchesCuSn8Skin-safe backFieldUnder $500
Price
$149
Alloy
CuSn8 marine bronze
Water resistance
150 m
Caseback
Titanium
Type
Field
Case diameter
36.0 mm
Thickness
13.8 mm
Lug-to-lug
43 mm
Origin
China
Movement
Japanese automatic (Seiko TMI)
Caliber
NH35
Power reserve
41 hours
Complications
Time only
Construction
Assembled
Nickel-free
Yes
Bracelet / strap
Fabric strap
Crystal
Domed sapphire
Display back
No
Dial
Black (military field)
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 Thorn Bronze A11 Military 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 Thorn Bronze A11 Military?

The Thorn Bronze A11 Military 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 Thorn Bronze A11 Military?

It is 36.0 mm in diameter, 13.8 mm thick, 43 mm lug to lug, and water resistant to 150 m.

How much does the Thorn Bronze A11 Military cost, and is it available?

It is current-production and lists from $149.

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