The Titanium Field Guide

Thorn Titanium Helium Valve NH34 GMT

SHY037

The Thorn Titanium Helium Valve NH34 GMT is a current-production diver watch with a titanium (grade undisclosed) case, finished with helium escape valve; ceramic 24h gmt bezel. It is priced well under the $1,299 median for the category.

All Thorn watchesWatch diver watchesUnder $500MicrobrandGMT
Price
$259
Material
Titanium
Grade / type
Titanium (grade undisclosed)
Water resistance
300 m
Reference
SHY037
Type
Diver
Case diameter
40.5 mm
Origin
China
Movement
Automatic GMT
Caliber
Seiko NH34A
Complications
GMT, Date
Colour
Grey
Surface treatment
Helium escape valve; ceramic 24h GMT bezel
Finish technology
Natural finish
Caseback
Titanium
Nickel-free
Unconfirmed (bracelet, strap, or clasp hardware not confirmed)
Crystal
Sapphire
Display back
No
Dial
Black
Dial colours
Black
Availability
Offered
Status
Current
Not published
Thickness, Lug-to-lug, Weight, Power reserve, Hardness, Construction, Bracelet / strap, Matching bracelet, Lume
Medium confidence Verified Jul 2026 Source: Thorn SHY037
Facts are free to cite with a link.
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Frequently asked questions

What is the case material of the Thorn Titanium Helium Valve NH34 GMT?

The Thorn Titanium Helium Valve NH34 GMT has a titanium (grade undisclosed) case with a titanium caseback. It is recorded at medium confidence pending a maker-stated material.

What size is the Thorn Titanium Helium Valve NH34 GMT?

It is 40.5 mm in diameter, and water resistant to 300 m.

How much does the Thorn Titanium Helium Valve NH34 GMT cost, and is it available?

It is current-production and lists from $259.

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