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.
The Astronomia Tourbillon Baguette connects Astronomia with Jacob & Co's singular gem-setting know-how. It is a cinematic sculpture animated by its four-arm movement construction that rotates and floats through the sapphire and diamond-bound space inside its spectacular case. A grand total of 342 invisibly set, baguette-cut diamonds adorn the dial's backdrop, while 80 invisibly set, baguette-cut diamonds make up the lugs.
- Iconic gravitational triple-axis tourbillon
- 50mm 18K white 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 multi-color sapphires (≈ 12.65 ct.)
TECHNICAL SPECIFICATIONS
MOVEMENT: Manufacture Jacob&Co. Manual Winding JCAM10; Diameter: 40mm; Height: 17.15mm; Components: 365; Power Reserve: 60-Hours; Frequency: 21'600 vib/h (3 Hz); Jewels: 42; System: Gravitational Triple Axis Tourbillon; 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.
FUNCTIONS: Hours, Minutes Dial Rotating in 20 min on the Central Axis, Patented Differential Gears System; Faceted Spherical Diamond rotating in 60 sec on 2 axes (Weight: 1 carat; 288 Facets "Jacob Cut"); Magnesium Lacquered Globe Rotating in 60sec on 2 axes; Gravitational Tourbillon Cage Rotating on 3 axes: 1st Axis: in 60sec, 2nd Axis: in 5min, 3rd Axis: Central Axe in 20min.
CASE: Diameter: 50mm; Thickness: 25mm; Material: 18K White Gold; Sapphire Apertures on Sides; Case Back: 18K White Gold; Bows: Winding and Time-Setting via 18K Rose Gold lift-out rotating "bows" at case back; Diamond layer Front Case: 18K White Gold; 257 Baguette Multicolor Sapphires Invisibly Set (≈ 12.65ct.); Lugs: 80 Baguette White Diamonds Invisibly Set (≈ 6.10 ct.); Crystal: Unique Domed Sapphire with Anti-reflective Treatment.
DIAL & HANDS: Dial: Titanium Dial, Polished and angled, Lacquered Indexes; Hands: Hand Finished Blue.
STRAP & CLASP: Strap: Alligator; Clasp: 18K White Gold Folding Buckle invisibly set with 22 Baguette White Diamonds (≈ 1.4 ct.).
TOTAL CARAT WEIGHT: 359 Baguette Multicolor Sapphires and White Diamonds (≈ 20.15 ct.).
LIMITED EDITION: Piece Unique