Astronomia Sky | Black Gold Jacob & Co.
Astronomia Sky | Black Gold Jacob & Co.
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
Dimensions
Dimensions
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