The Wristwatch Field Guide

Shirryu Bronze Diver

The Shirryu Bronze Diver is a current-production diver watch with a cusn8 marine 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.

Titanium, ceramic, and bronze diver watchesBronzeDiversUnder $5,000
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
Material
Bronze
Grade / type
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
Matching 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.
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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 is the case material of the Shirryu Bronze Diver?

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

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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