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
