Watch Technical Specifications – GMT
Case:
Grade 5 Titanium case, 40 mm diameter, 11.9 mm thickness.
24-click bidirectional GMT bezel in "STORM" black/grey ceramic, precision-machined for smooth rotation and crisp locking.
Strap:
Integrated black FKM rubber strap, fitted with a quick micro-adjustment deployant clasp, allowing precise length adjustment without tools.
Glass:
Multi-layered anti-reflective treated sapphire crystal, guaranteeing exceptional transparency and scratch resistance.
Hands:
Mercedes GMT type hands, with hand-applied C1 luminescent coating (green emission).
Dial:
Black dial with grey indices, with hand-applied indices, also coated with C1 luminescence (green emission), ensuring excellent visibility in dark environments.
Bezel Insert:
High-density black/grey ceramic insert, resistant to scratches and fading, offering a deep and contrasted finish.
GMT bezel with engraved 24-hour markers filled with luminescent material for night reading.
Caseback:
Available in two versions: solid (brushed Grade 5 Titanium) or transparent sapphire, allowing admiration of the automatic movement.
Crown:
Screw-down crown in Grade 5 Titanium featuring a triple sealing system (gasket, tube, and reinforced internal threading), ensuring maximum protection against pressure and humidity.
Movement:
SEIKO NH35A GMT automatic caliber (Japan origin, authentic).
Complications: date, GMT, manual winding, and hacking seconds.
Each movement is relubricated, regulated, and calibrated according to the N.A Timekeeping protocol, guaranteeing an accuracy of –4 / +5 seconds per day, compared to –30 / +90 seconds ex-factory.
Oscillating Weight:
Multi-block oscillating weight, composed of brass and tungsten for optimal inertia and efficient winding.
Available finishes: steel, yellow gold, or rose gold.
Water Resistance:
Certified to 300 meters (30 ATM).
Each piece undergoes a double water resistance test, with printed results accompanying each watch.
Warranty:
3-year international warranty, with full coverage of transport (return and reshipment).
Each watch comes with its personalized warranty card, including the unique serial number and assembly date.
Customization:
All components can be configured according to your preferences: strap, hands, bezel insert, dial, etc.
Possibility to add personalized engraving (text, logo, initials, phrase).
For any specific request, please contact our workshop directly at +33 6 07 35 93 15.