Astronomia

Astronomia Dragon

  • Reference:
    AT125.80.DR.SD.B
    Material: 
    Sapphire with Double Anti-Reflective Treatment
    Thickness: 
    25.45mm
    Diameter: 
    50mm
    Power reserve: 
    60-Hours
    Movement Caliber: 
    Manufacture Jacob & Co. Manual Winding JCAM16
    Water resistance: 
    30 meters
    Functions: 
    Hours, Minutes, Dial Rotating in 20 min on the Central Axis, Patented Differential Gears System; Spherical 288 Facets Exclusive Jacob Cut® White Diamond, Weight: 1 carat; rotating in 60sec on 2 axes; 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; Top 3D Dragon Rose Gold finishes PVD rotating on the Central Axe.
    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.
    Unique Piece

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