Ulysse Nardin Marine Chronometer Torpilleur 1182-310/42. Caliber UN-118 COSC-certified automatic movement with 60 hours power reserve. Oversized gold seconds-hand in bottom sub-dial. Black dial with roman numeral, and date window at the 6 o`clock position. Fixed bezel set on a 42mm pink gold case. Sapphire crystals on top and an exhibition case-back. Water resistant to 50M. Black alligator strap with deployment clasp. Ulysse Nardin Performance Certificate included.