Astronomia Revolution | Black Gold Jacob & Co.

I.ITEM NUMBERAT170.31.AA.AA.A II.MOVEMENTCaliber: JCAM48BWinding: Hand-WoundComponents: 434Power Reserve: 30 HoursFrequency: 21'600 vph (3Hz)Functions: Vertical Rotating Central Platform: Rotation in 60 Seconds Flying Double-Axis Tourbillon 1st Axis: Rotation in 60 Seconds 2nd Axis: Rotation in 15 Seconds Constant Force Device with 1/6th of a Second Loading Frequency Off-centered Hour and Minute Dial with Differential Rotating Seconds Hand: Counterclockwise Rotation in 15 Seconds III.CASEDiameter: 47 mmHeight: 27 mmMaterial: 18K Black Gold and Single-block Sapphire CasebandCrystal: Curved Anti-Reflective Sapphire CrystalCaseback: 18K Black GoldWater Resistance: 30m (3atm) IIII.DIAL & HANDSBase: Black SpinelSubdial: Skeleton, Black Polycarbonate with 5N Applied IndicesHands: 5N Red Gold DauphineArrow: Steel with Pyramid-shaped Synthetic Ruby Tip V.STRAP & CLASPStrap: Alligator LeatherClasp: 18K Black Gold Deployment Buckle