Sapphire case with double Anti-Reflective treatment in 50mm. 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. Manufacture Jacob & Co. Manual Winding JCAM16 caliber, power reserve at 60 hours. Unique Piece. One million US dollars.