Model Number: EX120.10.RA.AA.A Movement: Caliber: Exclusive Manually Wound Skeleton Jacob&Co JCAM45 Caliber; Barrel and Balance Wheel Vertically Aligned; Diameter: 14.25mm; Height: 5.90mm; Components: 158; Functions: Hours, Minutes; Power Reserve: 48 Hours; Frequency: 28'800 vib/h (4 Hz); Jewels: 21; System: Barrel with ...