• Polished 18kt rose gold case.
• Polished finished fixed bezel with a fluted edge.
• Brushed finished crown guard.
• Crown with fluted rubber ring for a secure grip.
• Rectangle chronograph buttons with rubber inlay.
• Blue dial with slightly recessed sub-dials.
• Rose gold toned printed Roman numeral hour markers.
• Raised flange on the dial perimeter with a fine printed minutes/seconds, fractions-of-a-second track & triangle hour markers.
• Polished hands, the hour & minute hands with luminous tips.
• Small running-seconds sub-dial located at the 6 o'clock position.
• Chronograph/Stopwatch functions:
• Column wheel chronograph mechanism.
• Large polished central seconds counter hand.
• 30 minute counter sub-dial located at the 3 o'clock position.
• 12 hour counter sub-dial located at the 3 o'clock position.
• Annual Calendar Complication:
• The Annual Calendar complication will accurately account for the current number of of days in each month with the exception of the 29th day of February in a leap year.
• Date window located at the 6 o'clock position.
• Month displayed at the center of the 9 o'clock sub-dial. The red hand points to the current month.
• Ulysse Nardin in-house manufactured Caliber UN-153 features:
  • Beats at 28,800 vph.
  • Contains 53 Jewels.
  • Composed out of 322 parts.
  • An approximate power reserve of 52 hours.
  • The movement features an escapement wheel & lever which is produced using DIAMonSIL, Ulysse Nardin’s revolutionary alliance of diamond and silicon. DIAMonSIL is silicon treated with a thin layer of diamond coating that not only eliminates the need for lubrication, but also significantly increases the part’s durability.
  • Ulysse Nardin's patented silicon hairspring & in-housed produced oscillator with 4 correction screws.
  • Rotor features 2 anchors as part of the rotor design & a blue medallion made of DIAMonSIL with the UN logo.

Alternate model # 153215043