IWC 3768 Aquatimer Chronograph, IW376803, 376803, 3768-03, Stainless Steel on a Rubber Strap with a Stainless Steel Buckle, Automatic Movement, Chronograph, Day, Date, Mechanical external/Rotating Bezel, Small Seconds at 9 O'clock, Black Dial with Luminous Hands and Hour Indicators, 44 Hour Power Reserve, Sapphire Crystal, Water Resistant to 300 Meters, Diameter: 44 mm, Thickness: 17 mm, Unworn with Box and Papers.