Steel IWC Pilots Spitfire Chronograph IW3706-01. Automatic movement. Brushed steel case 39mm diameter. Water resistant to 50 meters. Black dial with white Arabic numeral hour markers, day and date display at 3 o’clock. Sapphire crystal glass. Black croc strap with steel buckle. Box and papers dated June 2004. Service papers dated July 2010. Our reference S18310.