The Bronze Field Guide

March LA.B Bonzer Bronze

The March LA.B Bonzer Bronze is a current-production diver watch with a bronze (grade not stated) case. It measures 41.0 mm across, 12.25 mm thick, 47 mm lug to lug, 135 g, and is water resistant to 100 m. Inside is the La Joux-Perret G100 franco-swiss automatic movement, with 68 hours power reserve. Complications: Date. Priced from $1,941. Brand origin: France.

Bronze diver watchesDiversDisplay back
Reference
–
Type
Diver
Price
$1,941
Case diameter
41.0 mm
Thickness
12.25 mm
Lug-to-lug
47 mm
Water resistance
100 m
Weight
135 g (head only)
Origin
France
Movement
Franco-Swiss automatic
Caliber
La Joux-Perret G100
Power reserve
68 hours
Complications
Date
Ceramic
Bronze (grade not stated)
Colour
–
Hardness
–
Construction
Assembled
Surface treatment
–
Caseback
–
Nickel-free
Not verified (contact-point materials not all confirmed)
Bracelet / strap
Jacquard-woven or silicone strap, bronze buckle
Ceramic bracelet
–
Crystal
Domed sapphire, AR
Display back
Yes
Dial
Black sandblasted with crosshair
Lume
Super-LumiNova
Availability
Offered
Status
Current
Medium confidence Verified Jul 2026 Source: March LA.B Maker / listing ↗
Facts are free to cite with a link.
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Frequently asked questions

What bronze alloy is the March LA.B Bonzer Bronze?

The March LA.B Bonzer Bronze has a bronze (grade not stated) case. It is recorded at medium confidence pending a maker-stated alloy.

What size is the March LA.B Bonzer Bronze?

It is 41.0 mm in diameter, 12.25 mm thick, 47 mm lug to lug, and water resistant to 100 m.

How much does the March LA.B Bonzer Bronze weigh?

About 135 g (head).

How much does the March LA.B Bonzer Bronze cost, and is it available?

It is current-production and lists from $1,941.

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