To soften the look of the Blast Tourbillon, a total of 50 rubies and baguette sapphires adorn the bezel and hour markers, making this timepiece exceptional and powerful on any wrist.

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

Case
Case material: Titanium / black DLC

Glass: Sapphire

Dimensions: Ø 45 mm

Thickness: 12.6 mm

Weight: 96.48 g

Water Resistance: 50 m, Openworked

Dial & Hands
Dial: Black, set with rainbow diamonds

Movement
Caliber UN-172

Movement: Self-winding

Complication: Skeletonized Movement Tourbillon

Strap
Strap: "Gummy-effect" alligator

Color: Black

1723-400B1LE-2B-RAIN/1A