The Wristwatch Field Guide

Cronos Bronze CuSn8

L6003

The Cronos Bronze CuSn8 is a current-production diver watch with a cusn8 marine bronze case. It is priced well under the $1,195 median for the category. The caseback is open, so the movement is visible.

All Cronos watchesExotic-material diver watchesBronzeDiversDisplay backUnder $5,000
Price
$136
Material
Bronze
Grade / type
CuSn8 marine bronze
Water resistance
150 m
Reference
L6003
Type
Diver
Case diameter
42.0 mm
Origin
China
Movement
Automatic
Caliber
PT5000 (or SW200)
Complications
Time only
Construction
Assembled
Caseback
Sapphire
Nickel-free
Not verified (bracelet, strap, or clasp hardware not confirmed)
Bracelet / strap
Leather / rubber strap with bronze buckle
Crystal
Sapphire
Display back
Yes
Dial
Gradient green, blue, black-brown
Dial colours
Black Blue Green Brown
Lume
Luminous hands and markers
Availability
Offered
Status
Current (between batches, sold out)
Not published
Thickness, Lug-to-lug, Weight, Power reserve, Colour, Hardness, Surface treatment, Matching bracelet
High confidence Verified Jul 2026 Source: Cronos
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Frequently asked questions

What is the case material of the Cronos Bronze CuSn8?

The Cronos Bronze CuSn8 has a cusn8 marine bronze case with a sapphire caseback. This is confirmed against the maker spec.

What size is the Cronos Bronze CuSn8?

It is 42.0 mm in diameter, and water resistant to 150 m.

How much does the Cronos Bronze CuSn8 cost, and is it available?

It is current-production and lists from $136.

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