DESCRIPTION:
The Astronomia is the epitome of 21st century ultra-high-end watchmaking and a globally recognized symbol of Jacob & Co watchmaking expertise. A world-first both in the boldness of its unprecedented concept and its entirely mechanical construction, the Astronomia has gone beyond impressive horological achievements and has been regarded as an outstanding multidisciplinary engineering achievement.
- Iconic gravitational triple-axis tourbillon
- 50mm 18K rose gold and sapphire crystal case, with sapphire crystal back
- All four satellites constantly turn around the dial in 20 minutes
- 288-facet Jacob-cut diamond turning in 60 seconds
- Magnesium globe turning in 60 seconds
- Unique differential always keeps the time display in the correct 12/6 orientation, no matter where it is the rotation
- Domed and curved, anti-reflective sapphire crystal
- Unique crown-less design; winding and setting lift-out bows on the case back
- The lugs of the 18K white gold and sapphire-case are invisibly hand-set with 80 baguette-cut white diamonds (≈ 6.10 ct.
- The base dial is invisibly-set with 257 icy blue sapphires (≈ 9.88 ct.)
TECHNICAL SPECIFICATIONS
MOVEMENT: Caliber: Manufacture Jacob & Co. Manual Winding JCAM18; Diameter: 40mm; Height: 17.15mm; Components: 365; Functions: Hours and Minutes; Power Reserve: 60-Hours; Frequency: 21'600 vib/h (3 Hz); Jewels: 42; Finishing: Plate and Bridges: Hand Angled and Polished, Flank Draw, Circular Graining, Polished Sink; Polished Screws; Barrel: Circular Graining; Pinions: Conical Pinions; 4 Mechanical Ball Bearing Devices; Flat Balance Spring.
SYSTEM: Vertical Movement with 4 Arms, Full Revolution in 10 min around a Central Axis; Gravitational Triple Axis Tourbillon, 1st Cage rotating in 60 sec and 2nd Cage in 2.5 min; 1 Carat Exclusive Jacob cut® Diamond: 288 Facets, rotating on itself in 30 sec; Magnesium Blue Lacquered Globe, rotating on itself in 30 sec; Hours and Minutes Dial, Patented Differential Gears System℗ allows to keep the 12/6 O'clock position.
CASE: Diameter: 50mm; Height: 25mm; Material: 18K White Gold; Sapphire Apertures on Sides; Case Back: 18K White Gold; Bows: Winding and Time-Setting via 18K White Gold lift-out rotating "bows" at case back; Diamond layer Front Case: 18K White Gold; 257 Baguette Icy Blue Sapphires Invisibly Set (≈ 9.88 ct.); Lugs: 80 Baguette White Diamonds Invisibly Set (≈ 6.10 ct.); Crystal: Unique Domed Sapphire with Anti-Refl ective Treatment.
DIAL & HANDS: Dial: Titanium, Polished and angled, Lacquered Indexes; Hands: Blue Finish.
STRAP & CLASP: Strap: Alligator; Clasp: 18K White Gold Folding; Buckle invisibly set with 22 Baguette White Diamonds (≈ 1.4 ct.).
LIMITED EDITION: Unique piece.
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