Ulysse Nardin Diver X Skeleton OPS

The Ulysse Nardin Diver X Skeleton OPS, reference 3723-170-2C/0A, is a dive watch with a 44 mm Carbonium and black PVD titanium case and a textile strap. Measuring 15.7 mm thick, the case carries a water-resistance rating of 200 metres. Self-winding calibre UN-372 contains 23 jewels and runs at 21,600 vibrations per hour. The movement has a power reserve of 72 hours and a silicon escapement. The unidirectional rotating bezel is made from Carbonium with a marbled surface. The black openworked dial displays hours and minutes beneath a sapphire crystal.