Stainless steel case with a brown calfskin strap with contrast stiching. Stainless steel bezel. Silver dial with silver-tone hands and Arabic numeral hour markers. Minute markers on the outer rim.Luminescent hands and markers. Day and date aperture at the 3 o'clock position. Chronograph - three sub-dials displaying: 60-second, 30-minute and 12-hour. Self-winding automatic movement. Scratch resistant sapphire crystal. Sc rew down crown. Solid case back. Case diameter: 44mm. Case thickness: 17.1mm. Tang clasp. Water resistant at 60 meters (200 feet). Functions: chronograph, date, day, hour, minute, second. IWC Spitfire Double Chronograph Men's Watch IW371806.