Watch Technical Specifications – GMT
Case:
316L surgical stainless steel case, 40 mm diameter, 11.9 mm thick.
24-click bidirectional GMT bezel in high-density ceramic, precisely machined for smooth rotation and crisp locking.
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 sapphire crystal, guaranteeing exceptional transparency and scratch resistance.
Hands:
Mercedes GMT hands, with hand-applied BGW9 luminescent coating (blue emission).
Dial:
"PIECE UNIQUE" black carbon dial, with hand-applied indices, also coated with BGW9 luminescence (blue emission), ensuring excellent visibility in dark environments.
Bezel insert:
High-density ceramic insert, resistant to scratches and fading, offering a deep and elegant finish.
GMT bezel with engraved 24-hour markers filled with luminescent material for night reading.
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 thread), ensuring maximum protection against pressure and humidity.
Movement:
SEIKO NH34A GMT automatic caliber (Japan origin, genuine).
Complications: date, GMT, manual winding, and stop-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 200 meters (20 ATM).
Each timepiece undergoes a double water resistance test, the printed results of which accompany each watch.
Warranty:
3-year international warranty, with full transportation coverage (return and reshipment).
Each watch is delivered 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 personalized engraving (text, logo, initials, phrase).
For any specific request, please contact our workshop directly at +33 6 07 35 93 15.
