Ulysse Nardin Diver X Skeleton

The Ulysse Nardin Diver X Skeleton, reference 3723-170-1A/3A, is a dive watch with a 44 mm titanium case and a rubber and titanium strap. With a thickness of 15.7 mm, the case has 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 grey openworked dial displays hours and minutes beneath a sapphire crystal. The unidirectional rotating bezel surrounds the time display.