IWC2 IWC Fliegeruhr. Reference IW370603. Watch measures a fantastic 39mm and is made from steel. Automatic movement caliber IW7922 aka Valjoux 7750 which provides for a power reserve of 44 hours. Sapphire crystal on the front and a closed case back. Waterproof 6ATM or 60 meters (NOT suitable for swimming!). Functions are hours, minutes, sub seconds, chronograph, day and date. This watch is fitted with the original full length steel bracelet with integrated folding clasp which will fit a wrist of up to 20cm. An extra original black leather strap with steel pin buckle is also with the set. Naturally this watch is complete with the original warranty card dated January 2007 but missing the instruction booklet. The watch is in great original unpolished condition and runs great! Super nice watch!