The Titanium Field GuidePicks of the month

Boderry SeaTurtle Ocean Bronze

SeaTurtle Bronze

The Boderry SeaTurtle Ocean Bronze is a 40 mm bronze dive watch with a Seiko NH35 automatic movement. At 89 g, only two of the 24 other bronze dive watches weighed without a bracelet are lighter.

All Boderry watchesDiver watchesUnder $500MicrobrandLightweightLightest, ranked
Price
$259
Material
Bronze
Grade / type
CuSn8 marine bronze
Weight
89 g (with strap)
Water resistance
100 m
Reference
SeaTurtle Bronze
Type
Diver
Case diameter
40.0 mm
Thickness
12.5 mm
Origin
China
Movement
Automatic
Caliber
Seiko NH35
Complications
Time only
Construction
Assembled
Finish technology
Natural finish
Caseback
Bronze
Nickel-free
Unconfirmed (bracelet, strap, or clasp hardware not confirmed)
Bracelet / strap
Cowhide leather strap
Crystal
Sapphire
Display back
No
Dial
Black, sea blue, red, turtle green
Dial colours
Black Blue Green Red
Lume
Super-Luminous hands and markers
Availability
Offered
Status
Current
Not published
Lug-to-lug, Power reserve, Colour, Hardness, Surface treatment, Matching bracelet
Medium confidence Verified Oct 2026 Source: Boderry Maker ↗ Spec checksAlloy Jul 2026Price Jul 2026
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Frequently asked questions

What is the case of the Boderry SeaTurtle Ocean Bronze made of?

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

What size is the Boderry SeaTurtle Ocean Bronze?

The case is 40 mm across and 12.5 mm thick. It is water resistant to 100 m.

How much does the Boderry SeaTurtle Ocean Bronze weigh?

About 89 g on its strap.

How much does the Boderry SeaTurtle Ocean Bronze cost, and is it available?

It is in production, at a list price of $259.

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