Seiko MOD - N.A. Classic Diver BLACK CARBON Unique Piece

Seiko MOD – N.A Classic Diver BLACK CARBON – Unique Piece

Case:
316L surgical stainless steel case, 40 mm diameter, 11.9 mm thickness.
120-click unidirectional bezel, brushed steel finish, precisely machined for a crisp lock and smooth rotation.

Strap:
Black FKM Rubber strap, integrated into the case for optimal comfort and a perfect fit.
Equipped with a quick micro-adjustment deployant buckle, allowing precise length adjustment without tools.

Crystal:
Multi-layer anti-reflective sapphire crystal, guaranteeing perfect transparency and excellent scratch resistance.

Hands:
Mercedes-type hands, with hand-applied Swiss BGW9 luminescent coating (blue emission).

Dial:
Black Carbon dial, deep textured finish.
Hand-applied indices, also coated with Swiss BGW9 luminescence (blue emission).

Bezel insert:
Matte black ceramic insert, scratch and fade resistant.

Caseback:
Available in two versions:
– Solid brushed 316L steel
– Transparent sapphire, allowing observation of the automatic movement.

Crown:
Screw-down crown, with a triple sealing system (gasket, tube, internal thread) for maximum protection against moisture and pressure.

Movement:
SEIKO NH35A automatic caliber (Japan origin, genuine).
Complications: date, 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 efficient winding and optimal inertia.
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 a printed report provided.

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 the assembly date.

Customization:
All components can be configured according to your preferences: strap, hands, bezel insert, dial, etc.
Possibility of adding a personalized engraving (text, logo, initials, phrase).
For any specific request, please contact our workshop at +33 6 07 35 93 15.