The Bronze Field Guide

UNDONE Basecamp Bronze

The UNDONE Basecamp Bronze is a current-production field watch with a cusn8 bronze (copper-tin) case. It is priced well under the $1,200 median for the category. The caseback is open, so the movement is visible.

All UNDONE watchesBronze field watchesCuSn8FieldDisplay backUnder $500
Price
$375
Alloy
CuSn8 marine bronze
Water resistance
100 m
Caseback
Bronze
Type
Field
Case diameter
40.0 mm
Thickness
15 mm
Lug-to-lug
48 mm
Origin
Hong Kong
Movement
Japanese automatic
Caliber
Seiko NH35
Power reserve
41 hours
Complications
Date
Construction
Assembled
Nickel-free
Not verified (bracelet, strap, or clasp hardware not confirmed)
Bracelet / strap
Canvas strap, ceramic bezel insert
Crystal
Lexan (hardened polycarbonate)
Display back
Yes
Dial
Customisable (blue and others)
Dial colours
Blue
Lume
Super-LumiNova
Availability
Offered
Status
Current
Not published
Reference, Weight, Colour, Hardness, Surface treatment, Bronze bracelet
High confidence Verified Jul 2026 Source: UNDONE / Serious Watches
Facts are free to cite with a link.
See it in the interactive guide

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Alternatives to the UNDONE Basecamp Bronze

Zelos Hammerhead 43 Field BronzeZelosHammerhead 43 Field Bronze$49943.0 mm13 mm thickFieldsame category · same style · similar price · similar sizeBremont Terra Nova 40.5 Date BronzeBremontTerra Nova 40.5 Date Bronze$3,75040.5 mm11.11 mm thickFieldsame category · same style · shared complications · similar sizeBremont Terra Nova 40.5 Power Reserve BronzeBremontTerra Nova 40.5 Power Reserve Bronze$5,10040.5 mm11.91 mm thickFieldsame category · same style · shared complications · similar sizeBaltic Hermetique Tourer BronzeBalticHermetique Tourer Bronze$65037.0 mm10.8 mm thickFieldsame category · same style · similar size · same movementGruppo Gamma Peacemaker Bronze (PN-07)Gruppo GammaPeacemaker Bronze (PN-07)$99043.0 mm13 mm thickFieldsame category · same style · similar size · same movementTraser P67 Officer Pro Automatic BronzeTraserP67 Officer Pro Automatic Bronze$1,24045.0 mmFieldsame category · same style · shared complications · same movement

Frequently asked questions

What bronze alloy is the UNDONE Basecamp Bronze?

The UNDONE Basecamp Bronze has a cusn8 bronze (copper-tin) case with a bronze caseback. This is confirmed against the maker spec.

What size is the UNDONE Basecamp Bronze?

It is 40.0 mm in diameter, 15 mm thick, 48 mm lug to lug, and water resistant to 100 m.

How much does the UNDONE Basecamp Bronze cost, and is it available?

It is current-production and lists from $375.

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