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/03 watch features - 1
  • Blast Tourbillon 1723-400-3A/03 watch features - 2
  • Blast Tourbillon 1723-400-3A/03 watch features - 3
Blast Tourbillon is playing off the transparency of its new powerful automatic silicon tourbillon nested in a bold, X-shaped cage, which beats inside at a frequency of 2.5 Hz.

"Blast models are a blast from the past and have poached design cues from the Skeleton Tourbillon and the Skeleton X, both members of UN’s Executive Collection. For the first time in its history, the Skeleton Tourbillon collection is equipped with an automatic movement and a new platinum micro-rotor."

REBECCA DOULTON / MONOCHROME