IWC REF. 3513-1 PORTOFINO STEEL International Watch Co., Schaffhausen, Automatic, case No. 2591504, Ref. 3513-1. Made in the 1990s. Fine, center seconds, self-winding, water-resistant, stainless steel wristwatch with date and a stainless
IWC Portofino IW3513-15 | Govberg Jewelers
IWC Portofino Ref. IW 3513-3 | Amsterdam Watch Company