
Very robust, very functional, very technical, very sporty

Caliber UN-320
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: 227
- Number of jewels: 39
- Total diameter (mm): 26.4
Impressive precision & longevity
- Frequency (Hz): 4
- Frequency (vph): 28800
- Power Reserve (H): 48
- Functions: Hours, minutes and small seconds. Date.
- Escapement: Silicon
"If you’re overcompensating with a superyacht, you need this watch"
OCEARCH
We care about sharks. We are deeply invested in the preservation of the world's oceans and we intend to speak to those who take sustainability seriously. Sharks are a vital part of the ecosystem and, as such, are essential to the health of the planet and our own survival. The disappearance of one species such as the shark would likely mean the disappearance of thousands more.
















