Black PVD stainless steel case with a black leather strap. Bi-directional rotating black PVD bezel. Black dial with white hands and index hour markers. Arabic numerals mark the 4, 8 and 12 o'clock positions. Luminescent hands. Date display at the 3 o'clock position. U-Boat Calibre ETA 2824 automatic mechanical movement with a 40-hour power reserve. Scratch resistant sapphire crystal. Screw down crown. Transparent case back. Case size: 50 mm. Case thickness: 15.1 mm. Round case shape. Tang clasp. Water resistant at 100 meters / 330 feet. Functions: date, hour, minute, second. Luxury watch style. U-Boat Flightback Eclipse 50 Automatic Mens Watch 1853.