TECHNICAL SPECIFICATIONS 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 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: 13. 05 mm; Material: 18K Rose Gold & Stainless Steel; Crown: Green Aluminium; Inner ring: Green Titanium; Crystal: Sapphire with Anti-reflective Treatment; Case Back: Sapphire Glass; Water resistance: 50m Dial & Hands: Decor : « Clous de Paris » bridges with Green Rim Hands: Skeleton; Bracelet: Honeycomb Rubber strap; 18K Rose Gold Ardillon Buckle Warranty: 2 Years Limited Edition: Individually Numbered Pieces