Santos Dumont Skeleton watch, extra-large model, Manufacture mechanical movement with manual winding, caliber 9612 MC. Titanium case coated in ADLC, polygonal crown adorned with a faceted black spinel, dial with Roman numerals made up of the movement bridges, sword-shaped hands in rhodium-plated brass. Black alligator strap, 18K white gold double adjustable folding buckle and ADLC coating. Complication with skeletonized bridges in the shape of Roman numerals. Movement with individual numbering, 138 parts and 20 jewels. Movement dimensions 28.6 x 28.6 mm, thickness 3.97 mm, balance wheel at 28,800 vibrations / hour, power reserve of approximately 72 hours. Sapphire crystal case back. 9.4 mm thick. Waterproof up to 30 meters (3 bar).