Astronomia Sky | Black Gold Jacob & Co.

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          Description

          I.ITEM NUMBER
          AT110.31.AA.WD.A


          II.MOVEMENT
          Caliber: JCAM11
          Winding : Hand-wound
          Components: 395
          Power Reserve: 60 Hours
          Frequency: 21'600 vph (3 Hz)
          Functions: 

          Vertical Rotating Central Platform: Rotation in 20 minutes

          Flying Triple-Axis Tourbillon:

          1st Axis: Rotation in 60 Seconds

          2nd Axis: Rotation in 5 Minutes

          Off-centered Hour and Minute Dial with Differential Rotating, 1 ct, 288-facet, Jacob-Cut White Diamond: Rotation in 60 Seconds

          Orbital seconds : Rotation in 60 Seconds

          Central, Day/night Indicator : Rotation in 24 hours

          Sidereal Display : Rotation in 365.25 Days

          Sidereal Month Indication


          III.CASE
          Size: 47 mm
          Height: 25 mm
          Material: 18K Black Gold and Single-block Sapphire Caseband
          Crystal: Curved Anti-Reflective Sapphire Crystal
          Caseback: 18K Black Gold
          Water resistance: 30 m (3 atm)


          IIII.DIAL AND HANDS
          Dial: Titanium, Openworked Hour and Minute Dial
          Platform Base: Blued Titanium with Engraved and Black Gold Inlaid Zodiac Constellations
          Hands: Blued, Exclusive Jacob & Co. Shape


          V.STRAP AND CLASP
          Strap: Alligator Leather
          Clasp: 18K Black Gold Deployant Clasp