Ulysse Nardin Blast Tourbillon Free Wheel

The Ulysse Nardin Blast Tourbillon Free Wheel, reference 1760-176LE/OSM, has a 44 mm white gold case, a flying tourbillon and an alligator leather strap. At 13.46 mm thick, the case has a water-resistance rating of 30 metres. Manual-winding calibre UN-176 contains 23 jewels and runs at 18,000 vibrations per hour. The openworked osmium dial has a power reserve indicator beneath a sapphire crystal. The watch is a limited edition of 18 pieces. The movement has a power reserve of 170 hours and a silicon escapement.