Stainless steel case with a black rubber strap. Uni-directional rotating stainless steel bezel. Blue dial with luminbous silver-tone hands and index hour markers. Minute markers around the outer rim. Dial Type: Analog. Luminescent hands and markers. Day of the week and date display at the 3 o'clock position. Chronograph - three sub-dials displaying: 60 second, 30 minute and 12 hour. Automatic movement with a 42 hour power reserve. Scratch resistant sapphire crystal. Screw down crown. Solid case back. Case diameter: 44 mm. Case thickness: 17 mm. Round case shape. Band width: 22 mm. Band length: 8 inches. Tang clasp. Water resistant at 300 meters / 1000 feet. Functions: date, hour, minute, second. Additional Info: case back - expedition jacques yves cousteau. Luxury watch style. Watch label: Swiss Made. IWC Aquatimer Chronograph Blue Dial Black Rubber Mens Watch IW3768-05.