Mineral Whirlwind - unique piece - MALACHITE dial

 

 

 

Case:

 

 

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

Domed and rounded bezel in 904L steel, precisely machined and integrated into the sapphire glass.

Complete manual polishing on the entire case.

 

 

Strap:

 

 

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

Faceted pin buckle.

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

Lug width: 22 mm.

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

 

 

Crystal:

 

 

Single-dome sapphire crystal, multi-layer anti-reflective treatment.

 

 

Hands:

 

 

Hand-polished hands, Breguet style.

Hour/minute indication.

 

 

Dial:

 

 

Dial in genuine malachite stone, cut and polished.

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

Varnished finish.

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

 

 

Case back:

 

 

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

Polished finish on the case band.

 

 

Crown:

 

 

Onion-type crown in polished 904L steel.

Push/pull system.

Double gasket on tube and crown.

 

 

Movement:

 

 

Manual-winding flying tourbillon.

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

Lever escapement, high-frequency escape wheel.

Variable inertia balance, re-lubricated balance spring according to N.A Timekeeping+ protocol.

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

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

Adjusted to 6 positions.

Frequency: 28,800 A/h.

Power reserve: ~50 h.

 

 

Water resistance:

 

 

Certified 50 meters (5 ATM).

Each piece 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