The Bronze Field Guide

Cronos Bronze CuSn8

L6003

The Cronos Bronze CuSn8 is a current-production diver watch with a cusn8 bronze case. It measures 42.0 mm across, and is water resistant to 150 m. Inside is the PT5000 (or SW200) automatic movement. Complications: Time only. Priced from $136 (approx). Brand origin: China.

Bronze diver watches
Reference
L6003
Type
Diver
Price
$136 · approx
Case diameter
42.0 mm
Thickness
–
Lug-to-lug
–
Water resistance
150 m
Weight
–
Origin
China
Movement
Automatic
Caliber
PT5000 (or SW200)
Power reserve
–
Complications
Time only
Ceramic
CuSn8 marine bronze
Colour
–
Hardness
–
Construction
Assembled
Surface treatment
–
Caseback
Sapphire
Nickel-free
Not verified (bracelet, strap, or clasp hardware not confirmed)
Bracelet / strap
Leather / rubber strap with bronze buckle
Ceramic bracelet
–
Crystal
Sapphire
Display back
Yes
Dial
Gradient green, blue, black-brown
Lume
Luminous hands and markers
Availability
Offered
Status
Current (between batches, sold out)
High confidence Verified Jul 2026 Source: Cronos Maker / listing ↗
Facts are free to cite with a link.
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Frequently asked questions

What bronze alloy is the Cronos Bronze CuSn8?

The Cronos Bronze CuSn8 has a cusn8 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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