Ulysse Nardin Blast Tourbillon Free Wheel

The Ulysse Nardin Blast Tourbillon Free Wheel, reference 1766-176, has a 44 mm rose gold case, a flying tourbillon and an alligator leather strap. With a thickness of 13.46 mm, 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 movement has a power reserve of 170 hours and a silicon escapement. The openworked dial has a power reserve indicator beneath a sapphire crystal. Boomerang-shaped bridges frame the suspended mechanism.