The Bronze Field Guide

Thorn Retro 50 Fathoms Bronze Diver

SHY038

The Thorn Retro 50 Fathoms Bronze Diver is a current-production diver watch with a cusn8 bronze case. It measures 40.0 mm across, 14.2 mm thick, 50.4 mm lug to lug, and is water resistant to 200 m. Inside is the Seiko NH35 automatic movement. Complications: Time only. Priced from $189. Brand origin: China.

Bronze diver watchesCuSn8Skin-safe backDiversUnder $500
Reference
SHY038
Type
Diver
Price
$189
Case diameter
40.0 mm
Thickness
14.2 mm
Lug-to-lug
50.4 mm
Water resistance
200 m
Weight
–
Origin
China
Movement
Automatic
Caliber
Seiko NH35
Power reserve
–
Complications
Time only
Ceramic
CuSn8 marine bronze
Colour
–
Hardness
–
Construction
Assembled
Surface treatment
–
Caseback
Steel
Nickel-free
Not verified (contact-point materials not all confirmed)
Bracelet / strap
Ships on a strap; steel screwback caseback
Ceramic bracelet
–
Crystal
Domed sapphire, AR coating
Display back
No
Dial
Fifty Fathoms style, logo/no-logo and MIL-SPEC variants
Lume
C3 green on hands and markers
Availability
Offered
Status
Current
High confidence Verified Jul 2026 Source: Thorn Watches / Heimdallr Store Maker / listing ↗
Facts are free to cite with a link.
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Frequently asked questions

What bronze alloy is the Thorn Retro 50 Fathoms Bronze Diver?

The Thorn Retro 50 Fathoms Bronze Diver has a cusn8 bronze case, though its caseback is steel. This is confirmed against the maker spec.

What size is the Thorn Retro 50 Fathoms Bronze Diver?

It is 40.0 mm in diameter, 14.2 mm thick, 50.4 mm lug to lug, and water resistant to 200 m.

How much does the Thorn Retro 50 Fathoms Bronze Diver cost, and is it available?

It is current-production and lists from $189.

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