Santos Skeleton watch, large model, Manufacture mechanical movement with manual winding, calibre 9612 MC. Black ADLC steel case, 7-sided crown set with a blue synthetic spinel, polished grey steel sword-shaped hands, sapphire crystal and case back. Blue calfskin strap, with black ADLC steel double adjustable folding buckle. Second strap in black calfskin. Both are fitted with the QuickSwitch interchangeable system. Hours and minutes with skeletonised bridges forming Roman numerals, with luminescent material. Individually numbered movement containing 138 parts including 20 rubies. Movement dimensions: 28 mm x 28 mm, movement thickness: 3.97 mm, balance: 28,800 vibrations/hour, power reserve approx. 72 hours. Case width: 39.7 mm, thickness: 9.08 mm. Water-resistant to 10 bar (approx. 100 metres).