Ulysse Nardin Marine Torpilleur Military Semper Fortis, Ref: 1183-320LE/40, Limited Edition of 173 Pieces, 44 MM Stainless Steel Case, White eggshell dial, Special Engraved case, Fine printed Arabic numeral hour markers & minute track, powered by Ulysse Nardin in-house manufactured Caliber UN-118, Beats at 28,800 vph, contains 50 jewels, with an approximate power reserve of 60 hours, Unworn with box and papers