Steel IWC Pilots Spitfire Chronograph Automatic IW371702. Brushed steel case, water resistant to 60 meters, 42mm case diameter, 14.7mm case depth. Silver two tiered dial with applied Arabic numeral hour markers and day, date display. Luminous hands and hour markers. Automatic caliber 79320 movement. 25 jewels. 44 hours power reserve. Black croc strap with steel buckle. Box and papers dated November 2009. Our reference S18344.