2025 Full set, IWC, Portofino series, model: IW356527 Classic dress watch design The Portofino collection is renowned for its simplicity and elegance. This watch features an ultra-thin stainless steel case, paired with a white dial, blue hands and Roman numeral hour markers. It represents IWC's signature "formal style" design and is suitable for various occasions such as business suits and casual daily wear. Thin and light wearing experience With a case thickness of only 9.2mm and a moderate diameter of 40mm, it is friendly to all wrist sizes, comfortable to wear and easy to hide in the sleeve when wearing a shirt.