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. Black leather strap, with black ADLC steel double adjustable folding buckle. Second strap in dark grey semi-matt leather. Both bracelets are fitted with the QuickSwitch interchangeability system. Hours and minutes with skeletonised bridges forming Roman numerals, with luminescent material. Individually numbered movement consisting of 138 parts including 20 jewels. balance: 28,800 vibrations/hour, power reserve approx. 72 hours.