ULYSSE NARDIN Marine Diver Ref. 1502-151-3/93 18K Rose Gold Self-Winding Chronograph Cal. UN-150

Polished 18kt rose gold case.
Blue rubber strap with grey stripes & solid 18kt rose gold elements engraved with the Ulysse Nardin logo.
Polished rose gold crown with rubber "claw" cap design for enhanced grip.
Bezel:
Polished rose gold rotating bezel.
Blue rubber inlay with a wave design.
Raised rose gold 10 minutes indicators with blue filled engraved numbers.
Raised rose gold 15 minute graduations & 5 minute markings.
Saw-teeth design grip on bezel edge
Dial:
Blue dial with hammerhead shark motif.
Slightly recessed sub-dials with a very fine concentric circle pattern finish.
Applied bold hour markers with rose gold edges, luminescent fill & a blue stripe in the center, designed for enhanced visibility.
Partially skeletonized rose gold hour & minute hands with bold luminescent filled tips & a blue stripe at the center.
Fine white printed minute/seconds & fractions-of-a-second track.
Tachymeter scale on the dial perimeter.
Small seconds sub-dial located at the 9 o'clock position.
Magnified date window at the 6 o'clock position.
Chronograph/Stopwatch functions:
Large polished rose gold central seconds counter hand.
30 minute counter sub-dial located at the 3 o'clock position. Rose gold hand with luminous fill.
12 hour counter sub-dial located at the 6 o'clock position. Rose gold hand with luminous fill.
Ulysse Nardin in-house manufactured Caliber UN-150 features:
Beats at 28,800 vph.
Contains 25 Jewels.
Composed out of 322 parts.
An approximate power reserve of 48 hours.
The movement features a anchor escapement 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 a blue medallion made of DIAMonSIL with the UN logo.