IWC Portofino series, model: IW359001, automatic winding, stainless steel, case diameter: At 41mm, this IW359001 continues the series' signature sleek case, slender hour markers and willow-leaf hands. It adopts a symmetrical layout of upper and lower dials, integrating full calendar function with minimalist aesthetics. It is suitable for various scenarios such as business formal wear and casual daily life, making it a low-key and elegant choice for formal wear watches.