Supercharged with classic Ulysse Nardin savoir-faire, Blast Tourbillon is an avatar of its time, a potent force of nature. This technological wonder made with rock-hard, masculine lines has ignited a flame that will send seismic shockwaves through the watchmaking world to its core...

Caliber UN-172

Caliber UN-172

Self-winding

Classic or unconventional, simple or complex, for men or women, our collection of calibers is one of the most extensive and diverse in the industry. It is based on a culture of innovation, independence and quality that has made Ulysse Nardin one of the most advanced brands in creative watchmaking.

A complex composition

  • Number of parts: 137
  • Number of jewels: 25
  • Total diameter (mm): 37

Impressive precision & longevity

  • Frequency (Hz): 2.5
  • Frequency (vph): 18000
  • Power Reserve (H): 72
  • Functions: Hours and minutes. Flying tourbillon.
  • Escapement: Silicon
  • Blast Tourbillon 1723-400-3A/BLACK watch features - 1
  • Blast Tourbillon 1723-400-3A/BLACK watch features - 2
  • Blast Tourbillon 1723-400-3A/BLACK watch features - 3
Blast Tourbillon is the first Ulysse Nardin Skeleton model featuring an automatic tourbillon and a new tiny yet powerful platinum micro-rotor, visible only from the front of the watch at 12 o’clock.

"Accordingly, the muscular stance of these new models with their fresh movements does inspire one to go out and revel in adventure. Blast off with a Blast and see where the day may take you…"

ARIEL ADAMS / A BLOG TO WATCH