IWC Portofino Chronograph IW391031

The steel IWC Portofino Chronograph IW391031 is a sophisticated yet versatile chronograph that blends classic Italian-inspired elegance with subtle sporting character. Its 42 mm stainless-steel case frames a silver-plated dial accented by rose-gold-tone hands and appliqués, while the balanced layout incorporates chronograph counters, a small seconds display, and a practical day-date window. Paired with a black alligator leather strap, the watch maintains a refined dress-watch aesthetic, yet its polished pushers and chronograph functionality add everyday versatility. Powered by IWC’s automatic calibre 79320/75320 with a 44-hour power reserve, the IW391031 embodies the Portofino collection’s signature combination of understated luxury, timeless proportions, and reliable Swiss watchmaking.