Astronomia Revolution | Black Gold Jacob & Co.

I.ITEM NUMBER
AT170.31.AA.AA.A

II.MOVEMENT
Caliber: JCAM48B
Winding: Hand-Wound
Components: 434
Power Reserve: 30 Hours
Frequency: 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.CASE
Diameter: 47 mm
Height: 27 mm
Material: 18K Black Gold and Single-block Sapphire Caseband
Crystal: Curved Anti-Reflective Sapphire Crystal
Caseback: 18K Black Gold
Water Resistance: 30m (3atm)

IIII.DIAL & HANDS
Base: Black Spinel
Subdial: Skeleton, Black Polycarbonate with 5N Applied Indices
Hands: 5N Red Gold Dauphine
Arrow: Steel with Pyramid-shaped Synthetic Ruby Tip

V.STRAP & CLASP
Strap: Alligator Leather
Clasp: 18K Black Gold Deployment Buckle