Silver-tone stainless steel case with a black rubber strap. Uni-directional rotating silver-tone stainless steel bezel. Blue dial with luminous 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. IWC Calibre 79320 Automatic movement, based upon ETA 7750, containing 31 Jewels, bitting at 28800 vph, and has a power reserve of approximately 44 hours. Scratch resistant sapphire crystal. Screw down crown. Solid case back. Round case shape. Case size: 44 mm. Case thickness: 17 mm. Band width: 22 mm. Tang clasp. Water resistant at 300 meters / 1000 feet. Functions: date, hour, minute, second. Additional Info: case back - expedition jacques yves cousteau. Aquatimer Series. Luxury watch style. Watch label: Swiss Made. Pre-owned IWC Aquatimer Automatic Blue Dial Mens Watch IW376805. Box: No ,Paper: No