This is an authentic IWC Stainless Steel 18K Yellow Gold 30mm Ingenieur Quartz Watch IW3733. The watch is crafted of stainless steel and 18 karat yellow gold, and features a champagne dial with three sub-dials, link bracelet, sapphire crystal, and a quartz movement. PLEASE NOTE: The watch is not water resistant. Follow this item for alerts. IWC is a registered trademark of IWC. FASHIONPHILE is not affiliated with IWC.