Santos-Dumont skeleton watch, XL, Manufacture mechanical movement with manual winding 9614 MC. 18K pink gold case, faceted crown set with a faceted sapphire, dial with Roman numerals formed by the movement bridges, blued-steel sword-shaped hands. Brown alligator-skin strap with double adjustable 18K pink gold folding buckle. Skeleton complication of bridges in the form of Roman numerals. Individually numbered movement comprised of 138 parts including 20 jewels. Movement dimensions: 28.6 mm x 28.6 mm, movement thickness: 3.97 mm, balance: 28,800 vibrations/hour, power reserve approx. 72 hours. Sapphire case back. Case thickness: 9.4 mm. Water-resistant to 3 bar (30 meters/100 feet).