Ulysse Nardin Marine Chronometer Automatic Mens Watch 1183-122/43. Stainless steel case with a blue alligator leather strap. Blue dial with silver-tone hands and Roman numeral hour markers. Ulysse Nardin Calibre UN-118 automatic movement with about 60 hours of power reserve. Scratch resistant sapphire crystal. Screw down crown. Skeleton transparent exhibition see through case back. Case size: 45 mm. Round case shape. Fold over with safety release clasp. Water resistant at 200 meters / 660 feet. Functions: date, hour, minute, second, power reserve.