The Titanium Field GuidePicks of the month

Tandorio TD239M CuSn8 Bronze Willard Captain Diver

The Tandorio TD239M CuSn8 Bronze Willard Captain Diver is a 44 mm bronze dive watch with a Seiko NH35A automatic movement. At a list price of $164, it costs less than 94% of the 90 bronze dive watches in production, leaving out the fashion brands.

All Tandorio watchesDiver watchesUnder $500Microbrand
Price
$164
Material
Bronze
Grade / type
CuSn8 marine bronze
Water resistance
200 m
Type
Diver
Case diameter
44.0 mm
Thickness
14 mm
Origin
China
Movement
Automatic
Caliber
Seiko NH35A
Power reserve
41 hours
Complications
Date
Construction
Assembled
Finish technology
Natural finish
Caseback
Steel
Nickel-free
Unconfirmed (contact-point materials not all confirmed)
Bracelet / strap
Brown leather strap
Crystal
Sapphire
Display back
No
Dial
Black or white with date at 3
Dial colours
Black White
Lume
Super-LumiNova
Availability
Offered
Status
Current
Not published
Reference, Lug-to-lug, Weight, Colour, Hardness, Surface treatment, Matching bracelet
Medium confidence Verified Jul 2026 Source: Tandorio official store
Facts are free to cite with a link.
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Frequently asked questions

What is the case of the Tandorio TD239M CuSn8 Bronze Willard Captain Diver made of?

The case is cusn8 marine bronze. The guide has not yet confirmed it on the maker's own page. The caseback is steel, not titanium.

What size is the Tandorio TD239M CuSn8 Bronze Willard Captain Diver?

The case is 44 mm across and 14 mm thick. It is water resistant to 200 m.

How much does the Tandorio TD239M CuSn8 Bronze Willard Captain Diver cost, and is it available?

It is in production, at a list price of $164.

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