Come aboard a flagship of inventive watchmaking with visible, elegant mechanics that feature a play on movement, combining technical versatility and the raw emotion of the ocean waves.

Marine Mega Yacht

Caliber UN-631

Manual-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: 504
  • Number of jewels: 53
  • Total diameter (mm): 37

Impressive precision & longevity

  • Frequency (Hz): 3
  • Frequency (vph): 21600
  • Power Reserve (H): 80
  • Functions: Hours and minutes. Power reserve with anchor and windlass linked to the winding mechanism. Moon phase indication. Indicator of tidal coefficients and volumes. Flying tourbillon.
  • Escapement: Steel / ruby
  • Marine Mega Yacht 6312-305 watch features - 1
  • Marine Mega Yacht 6312-305 watch features - 2
  • Marine Mega Yacht 6312-305 watch features - 3
The dial contains a mechanism that displays the height of the tides in real time in relation to a specific location, in addition to indicating the seasonal coefficients.