Mineral Whirlwind - unique piece - Lapis Lazuli dial

 

 

 

Case:

 

 

Mirror-polished 904L steel case, 41 mm diameter.

Rounded domed bezel in 904L steel, precisely machined and integrated into the sapphire crystal.

Full manual polishing on the entire case.

 

 

Strap:

 

 

Grey Alcantara strap, tone-on-tone stitching, calfskin lining.

Faceted pin buckle.

Quick-release spring bar system for tool-free change.

Lug width: 22 mm.

Available options: Alcantara (other colors), leather, alligator, FKM rubber.

 

 

Glass:

 

 

Single-dome sapphire crystal, multi-layered anti-reflective coating.

 

 

Hands:

 

 

Hand-polished, Breguet-type hands.

Hours/minutes indication.

 

 

Dial:

 

 

Lapis Lazuli stone dial, cut and polished.

Each dial is unique, featuring mineral patterns specific to crystalline formation: impossible-to-reproduce bands, undulations, and natural strata.

Varnished finish.

Opening at 6 o'clock with steel ring for the tourbillon.

 

 

Caseback:

 

 

Ultra-slim transparent sapphire caseback, offering a full view of the movement.

Polished finish on the caseband.

 

 

Crown:

 

 

Polished 904L steel onion-type crown.

Push/pull system.

Double gasket on tube and crown.

 

 

Movement:

 

 

Hand-wound flying tourbillon.

Monobloc architecture with cantilevered tourbillon cage (no upper bridge).

Lever escapement, high-frequency escapement wheel.

Variable inertia balance wheel, hairspring relubricated according to N.A Timekeeping+ protocol.

Assembled, made reliable, calibrated, and regulated in Paris.

Internal checks: 11 points, including amplitude, iso-amplitude, beat error, residual torque performance, and thermal stability.

Adjustment in 6 positions.

Frequency: 28,800 A/h.

Power reserve: ~50 h.

 

 

Water resistance:

 

 

Certified 50 meters (5 ATM).

Each unit undergoes a water resistance test with a provided report.

 

 

Warranty:

 

 

3-year international warranty.

Full N.A Timekeeping set including:

– Box + papers

– Personalized warranty card

– Chronometric test certificate (6 positions)

– Water resistance report

– Engraved plate with number and "unique piece" mention