Watch Technical Specifications – GMT
Case:
Case in 316L surgical stainless steel, 40 mm diameter, 11.9 mm thickness.
Bi-directional 24-click GMT bezel in high-density ceramic, precisely machined for smooth rotation and crisp locking. Black PVD
Bracelet:
316L stainless steel Jubilee bracelet, equipped with a quick micro-adjustment deployant clasp, allowing precise length adjustment without tools.
Glass:
Multi-layer anti-reflective treated sapphire glass, ensuring exceptional transparency and scratch resistance.
Hands:
Mercedes GMT-style hands, with BGW9 luminescent coating (blue emission) applied by hand.
Dial:
"PIECE UNIQUE" black carbon dial, with hand-applied indices, also coated with BGW9 luminescence (blue emission), ensuring excellent visibility in dark environments. Purple epoxy carbon petal inlay
Case Back:
Available in two versions: solid (brushed 316L steel) or sapphire exhibition, 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 (Japan origin, authentic).
Complications: date, GMT, manual winding, and hacking function.
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 200 meters (20 ATM).
Each watch undergoes a double water resistance test, with the printed results accompanying each watch.
Warranty:
3-year international warranty, with full coverage for transport (return and re-shipment).
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 to add a personalized engraving (text, logo, initials, phrase).
For any specific requests, please contact our workshop directly at +33 6 07 35 93 15.