Jacob & Co. Astronomia Tourbillon 18 k Rose Gold Brown Alligator Leather Straps Watch

The Astronomia is the embodiment 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 to becoming an outstanding multidisciplinary engineering accomplishment.
At the center of the Astronomia is an unprecedented four-arm movement. Attached to each arm is a novel complication. Two of the complications have earned patents because of their design and engineering. The other two are original works of art that highlight Jacob & Co.’s skilled craftsmanship. When combined, they contribute to a spectacle of moving objects that rotates and floats inside a spectacular sapphire crystal case.
Jacob Arabo, the founder of Jacob & Co. said the Astronomia was inspired by the universe and all the ideas and wonderment of celestial bodies. Since its introduction in 2014, the stars, the moon and planets take on a new wonderment and meaning with each new piece. Even as the Astronomia story continues, it has already earned its place in the world of haute horlogerie and extreme extravagance.



MOVEMENT: Exclusive Jacob & Co. Manual Winding J CAM 10; Diameter: 40 mm; Height: 17.15 mm; Components: 365; Material: Titanium;. Power Reserve: 60-Hours; Frequency: 21’600 v i b/h (3 Hz); Jewels: 42; System: Triple Axis Gravitational 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 10 min on the Central Axis, Patented Differential Gears System; Faceted Spherical Diamond Rotating in 30 sec on 2 axes (Weight: 1 carat; 288 Patented Facets Exclusive Jacob Cut) Magnesium Lacquered Globe rotating in 30 sec on 2 axes; Gravitational Tourbillion Cage Rotating on 3 axes: 1st Axis: in 60 sec, 2nd Axis: in 2.5 min, 3rd Axis: Central Axe in 10 min.
CASE: 50 mm; thickness: 25 mm; Material: 18 K Rose Gold; Sapphire Apertures on Sides; Case Back: 18 K Rose Gold; Bows: Winding and Time-Setting via 18 K Rose Gold lift-out rotating “bows” at case back; Sky layer Front Case: Aventurine and 18 K Rose Gold; Crystal: Unique Domed Sapphire with Anti-reflective Treatment; Water resistance: 30 m (ISO 2281).
DIAL: Magnesium Dial, Hand Angled and Polished, Lacquered Indexes; Hands: Hand Finished Gun Blue.
STRAP & BUCKLE: Alligator; 18 K Rose Gold Folding Buckle.
LIMITED EDITION: 18 Pieces; Individually Numbered Pieces.
Iconic gravitational triple-axis tourbillon

50 mm 18 K rose gold and sapphire crystal case

All four satellites constantly turn around the dial every 10 minutes

288-facet Jacob-Cut diamond turning in 30 seconds

Magnesium globe turning in 30 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

Two 18 K Rose Gold lift-out rotating “bows” on the case back are used to wind the watch and set the time.

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