IW3513-42Ref

Produced from the late 1980s through the early 2000s, the IWC Portofino 3513 is a classic men's watch with an automatic movement. The 34mm case, available in yellow gold or stainless steel, holds either the caliber 37521 or 30120 movement based on the manufacturing date. The IW3513-42 reference is finished with a stainless steel case and a black dial displaying a combination of stick markers and Breguet numerals.