Watch Technical Specifications – GMT
Case:
316L surgical-grade stainless steel case, 40 mm diameter, 11.9 mm thickness.
Strap:
Choice of Jubilee/Oyster-style rivet bracelet with polished or matte center - in 316L stainless steel, equipped with a micro-adjustment deployant clasp, allowing precise, tool-free length adjustment.
Crystal:
Multi-layer anti-reflective sapphire crystal, ensuring exceptional transparency and scratch resistance.
Hands:
Mercedes GMT type hands, with hand-applied C1 luminescent coating (green emission).
Dial:
Dial with hand-applied indexes, also coated with C1 luminescence (green emission), ensuring excellent visibility in dark environments.
Bezel Insert:
GMT bezel with engraved and painted 24-hour markings.
Case Back:
Available in two versions: solid (brushed 316L steel) or sapphire display, allowing admiration of the automatic movement.
Crown:
Screw-down crown featuring a triple sealing system (gasket, tube, and reinforced internal threading), ensuring maximum protection against pressure and moisture.
Movement:
SEIKO NH34A GMT automatic caliber (genuine Japanese origin).
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 out of the 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 200 meters (20 ATM).
Each piece undergoes a double water resistance test, with printed results accompanying each watch.
Warranty:
3-year international warranty, including full transport coverage (return and reshipment).
Each watch comes with its personalized warranty card, featuring a unique serial number and assembly date.
Customization:
All components can be configured according to your preferences: strap, hands, bezel insert, dial, etc.
Option to add personalized engraving (text, logo, initials, phrase).
For any specific request, contact our workshop directly at +33 6 07 35 93 15.
