Ulysse Nardin Marine Chronometer Manufacture (1183-126-7M/40). UN-118 automatic movement with power reserve indicator at 12 o`clock and small seconds indicator at 6 o`clock position. White dial with Roman numerals. Steel bezel set on 43mm stainless steel case. Sapphire crystal on top and exhibition case back. Water resistant to 100M. Stainless steel bracelet.