The Bronze Field Guide

Ballast Trafalgar Automatic Bronze

BL-3136-01

The Ballast Trafalgar Automatic Bronze is a current-production other watch with a bronze alloy (grade not stated by maker) case. It measures 47.0 mm across, 14.5 mm thick, and is water resistant to 100 m. Inside is the Sellita open-heart automatic swiss automatic, open-heart movement. Complications: Time only. Priced from $589 (approx; maker MSRP 950). Brand origin: Hong Kong.

Bronze other watches
Reference
BL-3136-01
Type
Other
Price
$589 · approx; maker MSRP 950
Case diameter
47.0 mm
Thickness
14.5 mm
Lug-to-lug
–
Water resistance
100 m
Weight
–
Origin
Hong Kong
Movement
Swiss automatic, open-heart
Caliber
Sellita open-heart automatic
Power reserve
–
Complications
Time only
Ceramic
Bronze (grade not stated)
Colour
–
Hardness
–
Construction
Assembled
Surface treatment
–
Caseback
–
Nickel-free
Not verified (contact-point materials not all confirmed)
Bracelet / strap
Leather strap; the watch wears a steel protective shroud over the case
Ceramic bracelet
–
Crystal
Sapphire
Display back
–
Dial
Opal blue open-heart
Lume
Super-LumiNova
Availability
Offered
Status
Current (sold out at maker, stocked at retail)
Medium confidence Verified Jul 2026 Source: Ballast / Long Island Watch Maker / listing ↗
Facts are free to cite with a link.
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Frequently asked questions

What bronze alloy is the Ballast Trafalgar Automatic Bronze?

The Ballast Trafalgar Automatic Bronze has a bronze alloy (grade not stated by maker) case. It is recorded at medium confidence pending a maker-stated alloy.

What size is the Ballast Trafalgar Automatic Bronze?

It is 47.0 mm in diameter, 14.5 mm thick, and water resistant to 100 m.

How much does the Ballast Trafalgar Automatic Bronze cost, and is it available?

It is current-production and lists from $589.

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