IWC Portofino 18k Rose Gold Automatic Watch IW356504 METAL: 18k Rose Gold. MEASUREMENTS: Case 40mm, original 18k gold buckle and leather band - 8" long. Silvered dial with rose gold markers, date at 3 o'clock. MOVEMENT: Automatic, working order. Ref. IW356504. Circa 2013. Retail $13400. Watches are guaranteed to be in running order, if described as such, at the time of listing only. Watches have not been tested for features functionality, unless otherwise stated in description.