Ulysse Nardin Marine Chronometer 1846, Reference 263-22-7, Stainless Steel on a Stainless Steel Bracelet, Automatic, Silver Dial with Arabic Numerals, Luminous Hands and Hour Markers, Date and Small Seconds Indicator at 6 O'clock, Power Reserve Indicator at 12 O'clock, COSC, Sapphire Crystal, Diameter: 38 mm, Thickness: 11 mm, Water Resistant to 200 meters, New Old Stock, Unworn with box and papers