Ulysse Nardin Marine Torpilleur

The Ulysse Nardin Marine Torpilleur, reference 1183-310-7MIL/43, has a 42 mm steel case measuring 11.1 mm thick and a steel Milanese mesh bracelet. Individually numbered on the side, the case has a water-resistance rating of 50 metres. Self-winding calibre UN-118 uses a DIAMonSIL escapement, has a power reserve of 60 hours and contains 50 jewels, with a frequency of 28,800 vibrations per hour. Beneath a sapphire crystal, the blue dial has a power reserve indicator. Small seconds and a round date window share the position at 6 o'clock. The dial carries the Ulysse Nardin logo.