Movement: Caliber: Exclusive Manually Wound Skeleton Jacob&Co JCAM02 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 Sliding Clamp System; Balance Screws Visible on the Front Side; Time Setting Spring with Three Functions (octopus spring): Ratchet, Lever and Setting Lever; Anti-shock. Case: Diameter: 44mm; Thickness: 12. 3 mm; Material: Titanium Inner ring: Green Neoralithe Crystal: Sapphire with Anti-reflective Treatment; Case Back: Sapphire Glass; Water resistance: 100m Hands: Hands: Skeleton, Rhodium Strap and Clasp: Rubber Honeycomb strap; Titanium Buckle Warranty: 2 Years Limited Edition: Individually numbered pieces