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.

Movement:
Caliber: Manufacture Jacob&Co. Manual Winding JCAM25
Diameter: 41.65mm
Height: 17.15mm
Material: Titanium
Components: 384
Functions: Hours and Minutes
System: Vertical Movement with 4 Arms

• Double Axis Tourbillon, 1st Cage rotating in 60sec and 2nd Cage in 5min
• 1 Carat Exclusive Jacob cut® Diamond (288 Facets), rotating on itself in 60sec
• Magnesium Blue Lacquered Globe, rotating on itself in 60sec
• Hours and Minutes Dial 

The 4 Arms are surrounded by a 18K Rose Gold Hand-engraved and
Hand-painted Dragon with Ruby eyes.
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, One Sapphire Bridge; Polished Screws;
Barrel: Circular Graining; Pinions: Conical Pinions; 4 Mechanical Ball
Bearing Devices; Flat Balance Spring

Case:
Diameter: 50mm;
Thickness: 25mm;
Material: 18K Yellow Gold & Sapphire Aperture;
Case Back: 18K Yellow Gold;
Bows: Winding and Time-Setting via 18K Yellow Gold lift-out rotating
“bows” at case back;
Diamond Base: 202 Baguette White Diamonds (≈ 8.37 ct.);
Lugs: 80 Baguette White Diamonds (≈ 6.10 ct.);
Crystal: Unique Domed Sapphire with Anti-reflective Treatment;
Water resistance: 30m (3atm)

Dial and Hands:
Dial: Titanium Dial, Polished and angled, Lacquered Indexes;
Hands: Blued Jacob&Co designed hands

Strap and Clasp:
Strap: Alligator;
Clasp: 18K Rose Gold Folding Buckle set with 18 Baguette White Diamonds (≈ 1.4 ct.).

Limited Edition:
Piece Unique