High-resolution product photos from current inventory.Authenticity focusedBrand, model, condition and accessory details are preserved.
Expanded inventoryIncludes public, auction and exhibition listings when available.
Updated listingsAvailability and product information refresh from platform inventory.
Watch Details
Reference information and product notes.
IWC, Portofino series, model: IW391031, complete set, 42mm stainless steel case, double-sided anti-reflective sapphire crystal, silver-gray silver-plated dial, automatic mechanical movement, 44-hour power reserve, 25 gemstone bearings, featuring chronograph, date and day display functions, combining formal wear and chronograph functions, classic and elegant, practical and versatile.