1503-170-7M/92

“Brushed titanium case with polished beveled corners. Bezel features an inverted concave design with a raised diving scale. Black dial with a fine grained finish. Hands with luminous fill. Applied index hour markers with luminous fill. Fine printed minute.seconds & fractions of a seconds track. Date window at 6 o’clock. Small seconds sub-dial 9 o’clock. Chronograph/Stopwatch function:
Large central seconds counter. 30 minute counter sub-dial at 3 o’clock. 12 hour counter sub-dial at 6 o’clock. Ulysse Nardin in-house caliber UN-150, beats at 28,800 vph, contains 25 jewels and has an approximate power reserve of 48 hours. The movement features a DIAMonSIL anchor escapement. DIAMonSIL is silicon treated with a thin layer of diamond coating that eliminates the need for lubrication & significantly increases the part’s durability. In addition the movement features Ulysse Nardin’s patented silicon hairspring & in-house produced oscillator with 4 correction screws.”