Watch Technical Specifications – GMT
Case:
316L surgical stainless steel case, 40 mm diameter, 11.9 mm thickness.
Unidirectional bezel with 120 clicks (bi-directional 24 clicks optional upon request), precisely machined for smooth rotation and crisp locking.
Bracelet:
Choice of Jubilee/Oyster rivet type bracelet with polished or matte center - in 316L stainless steel, equipped with a folding clasp with quick micro-adjustment, allowing precise length adjustment without tools.
Crystal:
Multi-layer anti-reflective sapphire crystal, ensuring exceptional transparency and scratch resistance.
Hands:
Mercedes GMT-style hands, with C1 luminescent coating (green emission) applied by hand.
Dial:
Dial with hand-applied indices, also coated with C1 luminescence (green emission), ensuring excellent visibility in dark environments.
Bezel Insert:
Ceramic GMT bezel with engraved and painted 24-hour markings.
Case Back:
Available in two versions: solid (brushed 316L steel) or transparent sapphire, allowing admiration of the automatic movement.
Crown:
Screw-down crown with a triple sealing system (gasket, tube, and reinforced internal threading), ensuring maximum protection against pressure and humidity.
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 upon factory exit.
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 watch undergoes a double water resistance test, with printed results accompanying each watch.
Warranty:
3-year international warranty, with full transport coverage (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: bracelet, hands, bezel insert, dial, etc.
Possibility of adding a personalized engraving (text, logo, initials, phrase).
For any specific request, contact our workshop directly at +33 6 07 35 93 15.