Stainless steel case with a black rubber strap with titanium integrated elements. Unidirectiona stainless steel bezel. Black dial with luminous hands and index hour markers. Minute markers around the outer rim. Dial Type: Analog. Luminescent hands and markers. Date display at the 6 o'clock position. Two sub-dials displaying: 60 second and power reserve. Caliber UN-26 automatic movement with a 42-hour power reserve. Scratch resistant sapphire crystal. Screw down crown. Solid case back. Case size: 42.7 mm. Case thickness: 12.5 mm. Round case shape. Band width: 20 mm. Band length: 7 inches. Push button foldover clasp. Water resistant at 300 meters / 1000 feet. Functions: date, hour, minute, second, 42 hour power reserve. Luxury watch style. Watch label: Swiss Made. Ulysse Nardin Maxi Marine Chronometer Mens Watch 263-33-3-91.