Jacob & Co Astronomia Tourbillon Everest Black Gold Three Poles Replica Watch AT112.31.AA.AA.A

Item Number: AT112.31.AA.AA.A

Technical Specifications

Caliber Movement Number: JCAM25

Movement: Double-axis Tourbillon; Material: Titanium; Components: 384; Jewels: 42

Power Reserve: 60 hours; Frequency: 21,600 vib/h (3 Hz)

Functions: Hours and Minutes; System: Manual Movement, Double-Axis Flying Tourbillon; 1st Axis: Full Revolution in 60 seconds; 2nd Axis: Full Revolution in 5 minutes; 1 Carat Exclusive Jacob cut® Black Diamond: 288 Facets, rotating on itself in 60 seconds; Black Magnesium Globe with Super-LumiNova oceans, rotating on itself in 60 seconds

Finishes: Plate and Bridges: Hand Angled and Polished, Flank Draw, Circular Graining, Polished Sink, One Sapphire Bridge; Polished Screws; Barrel: Circular Graining

External Parts: Diameter: 47mm

Height: 25mm

Material: 18K Black Gold and Sapphire Crystal

Case Back: 18K Gold; 18K Gold lift-out Rotating "bows" for Winding and Time-Setting

Crystal: Unique Domed Sapphire with double Anti-Reflective Treatment

Everest Rock: Actual piece of rock from Everest, taken by hand by Johan Ernst Nilson

Two Buckets of Water: Buckets of water taken from the North and South Poles by Johan Ernst Nilson

Base Dial: black titanium with Super-LumiNova constellations

Hour and Minute Subdial: Titanium "Everest North South" dial, Hand Angled and Polished, Lacquered Indexes

Hands: Titanium with Super-LumiNova

Strap & clasp: Black rubber or glow-in-the-dark rubber; Clasp: 18K Gold deployant clasp

Water resistance: 30m