IWC Pilots Spitfire Double Chronograph Automatic IW3713-03. Brushed steel 42mm case which is water resistant to 60 meters, 14.7mm case depth. Black two tiered dial with applied Arabic numeral hour markers and day, date display. Luminous hands and hour markers. Automatic movement. 25 jewels. 44 hours power reserve. Brown croc strap with buckle. Box and Papers dated November 2004. Our reference S22104.