The Wristwatch 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. At 135 g it sits around the middle for diver watches in the guide, and is priced above the $1,187.50 median for the category. The caseback is open, so the movement is visible.

All March LA.B watchesExotic-material diver watchesBronzeDiversDisplay backUnder $5,000
Price
$1,941
Material
Bronze
Grade / type
Bronze (grade not stated)
Weight
135 g (head only)
Water resistance
100 m
Type
Diver
Case diameter
41.0 mm
Thickness
12.25 mm
Lug-to-lug
47 mm
Origin
France
Movement
Franco-Swiss automatic
Caliber
La Joux-Perret G100
Power reserve
68 hours
Complications
Date
Construction
Assembled
Nickel-free
Not verified (contact-point materials not all confirmed)
Bracelet / strap
Jacquard-woven or silicone strap, bronze buckle
Crystal
Domed sapphire, AR
Display back
Yes
Dial
Black sandblasted with crosshair
Dial colours
Black
Lume
Super-LumiNova
Availability
Offered
Status
Current
Not published
Reference, Colour, Hardness, Surface treatment, Caseback, Matching bracelet
Medium confidence Verified Jul 2026 Source: March LA.B
Facts are free to cite with a link.
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Alternatives to the March LA.B Bonzer Bronze

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More exotic-material watches from March LA.B

March LA.BAM2 Titanium$2,10039.0 mm11.5 mm thick91 gOtherMarch LA.B Belza Titanium (99 pieces)March LA.BBelza Titanium (99 pieces)$2,23240.0 mm14.5 mm thick77 gDiverMarch LA.B AM2 Slim GMT TitaneMarch LA.BAM2 Slim GMT Titane$2,54836.0 mm12.5 mm thick82 gOther

Frequently asked questions

What is the case material of 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 material.

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.

All exotic-material March LA.B watches · Exotic-material diver watches · All 1,972 watches

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