The Bronze Field Guide

Shirryu Bronze Diver

The Shirryu Bronze Diver is a current-production diver watch with a cusn8 bronze case. It measures 41.0 mm across, 15 mm thick, and is water resistant to 200 m. Inside is the Seiko NH35 automatic 3-hand movement, with 41 hours power reserve. Complications: Time only. Priced from $229. Brand origin: China.

Bronze diver watchesCuSn8Skin-safe backDiversUnder $500
Reference
–
Type
Diver
Price
$229
Case diameter
41.0 mm
Thickness
15 mm
Lug-to-lug
–
Water resistance
200 m
Weight
–
Origin
China
Movement
Automatic 3-hand
Caliber
Seiko NH35
Power reserve
41 hours
Complications
Time only
Ceramic
CuSn8 marine bronze
Colour
–
Hardness
–
Construction
Assembled
Surface treatment
–
Caseback
Steel
Nickel-free
No (steel contact)
Bracelet / strap
Leather strap with quick-release, CuSn8 bronze buckle
Ceramic bracelet
–
Crystal
Sapphire
Display back
No
Dial
Black skull-king textured dial
Lume
Swiss C3 Super-LumiNova
Availability
Offered
Status
Current (sold out at listing retailer)
Medium confidence Verified Jul 2026 Source: WR Watches Maker / listing ↗
Facts are free to cite with a link.
See it in the interactive guide

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Frequently asked questions

Is the Shirryu Bronze Diver nickel-free?

No. At least one part that touches the skin is nickel-bearing steel (commonly the caseback or clasp), so the guide does not mark it nickel-free.

What bronze alloy is the Shirryu Bronze Diver?

The Shirryu Bronze Diver has a cusn8 bronze case, though its caseback is steel. It is recorded at medium confidence pending a maker-stated alloy.

What size is the Shirryu Bronze Diver?

It is 41.0 mm in diameter, 15 mm thick, and water resistant to 200 m.

How much does the Shirryu Bronze Diver cost, and is it available?

It is current-production and lists from $229.

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