Portugieser Chronograph

From the retailer listing

IWC Portugieser Chronograph Watch IW371617. Based on a hunter pocket watch and inspired by nautical timekeeping instruments, the Portugieser watch collection by IWC Schaffhausen has remained virtually unchanged over the years. This classic-looking men’s IWC Portugieser Chronograph watch measures a 41mm diameter and has been crafted from stainless steel. Blued central hands and Arabic numeral hour markers add a subtle touch of colour to a silver-plated dial emblazoned with the IWC Schaffhausen name at 3 o’clock. The entire surface of the dial is protected by a convex pane of anti reflective sapphire crystal glass whilst the rest of the steel case is integrated with 30-meter water resistance. The back of the case Features an exhibition caseback crafted from sapphire crystal, exposing all the intricate finishes, the Cotes de Geneve decoration, and the peerless performance of the in-house Ca