The large Santos Skeleton watch is a mechanical watch that features a mechanical movement with manual winding. The heptagonal sapphire is set in the crown, and the hands are blued-steel swords. The sapphire crystal and case back are sapphires, as well as the steel bracelet with a blued-steel sword-shaped hands. The “SmartLink” adjustment mechanism is present on the steel bracelet. The bracelet is fitted with the “QuickSwitch” interchangeability system. Roman numerals are formed using skeletonized bridges. The movement measures 28 mm x 28 mm and consists of 138 components, including 20 rubies. The “QuickSwitch” interchangeability system is used on both bracelets. The individual numbered movement has a balance of 28,800 vibrations/hour, a power reserve of 72 hours, and a 28 mm x 28 mm size. It is water-resistant up to 100 metres (330 ft.).