Cartier Santos-Dumont skeleton

Cartier makes the Santos-Dumont skeleton, reference WHSA0030, with a 31 mm case in rose gold 750/1000. The case is 8 mm thick and carries a 30 metre rating. The crystal is sapphire, and the watch has a display back. Calibre 9629 MC is a self-winding mechanical movement with a micro-rotor. The movement beats at 28,800 vibrations per hour and has a power reserve of approximately 44 hours. The watch is skeletonized, with bridges covered in burgundy lacquer and polished blued-steel sword-shaped hands. A burgundy alligator-skin strap is fitted with a rose gold ardillon buckle, and a brown alligator-skin strap is also listed.