This is a vintage IWC Ingenieur 666 wristwatch for men, it’s one of the earliest production from the early 1950’s with caliber 852. It features a round stainless steel case with a 36mm diameter, has a beautiful cream dial and a mechanical automatic movement. The watch has a brown generic leather strap and a non IWC crown, watch works (don’t know its last service history) sold as-is.