Astronomia Tourbillon Dragon

Market Cross Jewellers - Authorised Retailer of Jacob & Co.

Product Reference: AT112.40.DR.SD.A

TECHNICAL SPECIFICATIONS

Movement:
Caliber: Manufacture Jacob&Co. Manual Winding JCAM25;
Diameter: 41.65mm; Height: 17.15mm; Material: Titanium; Components: 384;
Functions:
Hours, Minutes;
Spherical 288 Facets Exclusive Jacob Cut White Diamond,
Weight: 1 carat; rotating in 60sec;
Magnesium Lacquered Globe Rotating in 60sec;
Gravitational Tourbillon Cage Rotating on 2 axes:
1st Axis: in 60sec,
2nd Axis: in 5min,
3D Dragon in 18K Rose Gold Hand-engraved.
Power Reserve: 60-Hours; Frequency: 21600 vib/h (3 Hz); Jewels: 42;
System: Gravitational Double Axis Tourbillon;
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: 47mm; Thickness: 25mm;
Material: Sapphire with Double Anti-Reflective Treatment;
Case Back: Sapphire with Double Anti-Reflective Treatment;
Bows: Winding and Time-Setting via 18K Rose Gold lift-out rotating bows at case
back;
Skylayer Front Case: Blue Grade 5 Titanium, 18K Gold hand-engraved and applied
stars and zodiacal signs;
Crystal: Unique Domed Sapphire with Double Anti-Reflective Treatment;
Water resistance: 30m.

Dial & Hands:
Dial: Titanium Dial, Hand Angled and Polished, Lacquered Indexes;
Hands: Hand Finished Blue.

Strap & Clasp:
Strap: Alligator; Clasp: 18K Rose Gold Folding Buckle.

Limited Edition: Unique Piece.