Santos Skeleton watch, large model, Manufacture mechanical movement with manual winding, caliber 9612 MC. Black ADLC steel case, 7-sided crown set with a blue synthetic spinel, polished gray steel sword-shaped hands, sapphire crystal case back. Strap in black alligator leather, with black ADLC steel double adjustable folding buckle. Second strap in dark gray semi-matte alligator leather. Both bracelets are fitted with theQuick Switchinterchangeability system. Hours and minutes with skeletonized bridges forming Roman numerals, with luminescent material. Individually numbered movement consisting of 138 parts including 20 jewels. 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. 8 mm, case thickness: 9. 08 mm. Water-resistant up to 10 bar (approx. 100 meters)