Jacob & Co. Astronomia Tourbillon Black Gold

II.MOVEMENT

Caliber: Exclusive Manual Winding JCAM10

Components: 365

Functions: Hours and Minutes

Power Reserve: 60-Hours

Frequency: 21,600 vph (3 Hz)

Jewels: 42 Jewels

Finishing: High Grade Hand Finishing

System: Vertical movement with 4 arms. Full revolution in 10 Minutes around the central axis

Gravitational Triple Axis Tourbillon, 1st Axis rotating in 60 Seconds, 2nd axis in 2.5 Minutes and 3rd Central Axis in 10 Minutes

Dial rotating with a Patented Differential Gears System ℗

Exclusive Jacob cut® Diamond (288 Facets, ≈1 ct.), rotating on itself in 30 Seconds

Magnesium Blue Lacquered Globe, rotating on itself in 30 Seconds

Base Dial: 18K Black Gold and Aventurine

III.CASE
Diameter: 50mm
Thickness: 25mm
Material: 18K Black Gold
Caseback: 18K Black Gold
Bows: Winding and Time-Setting via lift-out rotating bows on the caseback
Crystal: Unique Domed Sapphire with Multiple Anti-Reflective Treatment
Water Resistance: 30m (3atm)

IIII.DIAL & HANDS
Dial: Titanium
Hands: Blued Jacob&Co hands

V.STRAP & CLASP
Strap: Alligator
Clasp: 18K Black Gold Deployant Buckle