THORN Titanium GMT Dive Watch – NH34A Automatic, 300m Water Resistance

The THORN Titanium GMT Dive Watch is a professional tool watch designed for travel, diving, and everyday use in demanding environments.

Featuring a full titanium case and bracelet, this watch is powered by the reliable Seiko NH34A automatic GMT movement and offers 300 meters of water resistance with a helium escape valve. It delivers true dual-time functionality combined with lightweight comfort and long-term durability.

Specifications

Brand: THORN
Model: SHY037
Movement: Seiko NH34A Automatic GMT
Functions: Hours, minutes, seconds, date, GMT (dual time zone)
Case Material: Titanium
Case Diameter: 40.5mm
Lug to Lug: 48mm
Case Thickness: 14mm
Case Back: Solid screw-down titanium case back
Bezel: Unidirectional ceramic bezel with 24-hour GMT scale
Crystal: Double-domed sapphire crystal with anti-reflective coating
Water Resistance: 300 meters / 30 ATM
Helium Escape Valve: Yes
Dial: High-visibility luminous dial
Bracelet: Titanium bracelet with quick-release system
Clasp: Folding clasp with micro-adjustment holes

Movement

This watch is powered by the Seiko NH34A automatic GMT movement, a proven and widely supported caliber known for its reliability and ease of servicing.

The independently adjustable GMT hand allows the wearer to track a second time zone, making the watch especially suitable for travel and international use.

Automatic and manual winding
True GMT dual-time functionality
Stable performance and global serviceability

Water Resistance and Diving Use

With a water resistance rating of 300 meters (30 ATM), this watch is suitable for a wide range of water activities.

Daily wear
Swimming
Snorkeling
Scuba diving
Saturation diving environments

The integrated helium escape valve allows internal pressure to safely release during decompression, helping maintain case integrity in high-pressure diving conditions.

Bracelet and Wearing Comfort

The full titanium bracelet offers excellent strength while remaining significantly lighter than stainless steel, reducing wrist fatigue during extended wear.

The bracelet features a quick-release system, allowing strap changes without tools. The folding clasp is equipped with micro-adjustment holes, enabling fine sizing adjustments for improved comfort and fit.

Warranty and After-Sales Service

Warranty: 2-year international warranty
After-sales support: Professional customer service and repair support

THORN is committed to building durable, honest tool watches and standing behind every watch we produce.

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