Ulysse Nardin Diver X Skeleton

The Ulysse Nardin Diver X Skeleton, reference 3723-170LE-2A-BLACK/3B, is a dive watch with a 44 mm titanium case with a black PVD coating and a rubber and ceramic strap. At 15.7 mm thick, the case has a water-resistance rating of 200 metres. The black openworked dial displays hours and minutes beneath a sapphire crystal. The unidirectional rotating bezel surrounds the time display. The watch is a limited edition of 175 pieces. Self-winding calibre UN-372 has a power reserve of 72 hours, a silicon escapement and 23 jewels and runs at 21,600 vibrations per hour.