The Titanium Field Guide

Shirryu Bronze Diver

The Shirryu Bronze Diver is a current-production diver watch with a cusn8 marine bronze case. It is priced well under the $1,299 median for the category.

All Shirryu watchesExotic-material diver watchesUnder $500Microbrand
Price
$229
Material
Bronze
Grade / type
CuSn8 marine bronze
Water resistance
200 m
Type
Diver
Case diameter
41.0 mm
Thickness
15 mm
Origin
China
Movement
Automatic 3-hand
Caliber
Seiko NH35
Power reserve
41 hours
Complications
Time only
Construction
Assembled
Finish technology
Natural finish
Caseback
Steel
Nickel-free
No (steel contact)
Bracelet / strap
Leather strap with quick-release, CuSn8 bronze buckle
Crystal
Sapphire
Display back
No
Dial
Black skull-king textured dial
Dial colours
Black
Lume
Swiss C3 Super-LumiNova
Availability
Offered
Status
Current (sold out at listing retailer)
Not published
Reference, Lug-to-lug, Weight, Colour, Hardness, Surface treatment, Matching bracelet
Medium confidence Verified Jul 2026 Source: WR Watches
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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