IWC Schaffhausen Portugieser Chronograph

The IWC Schaffhausen Portugieser Chronograph IW371617 is a chronograph with a stainless steel case measuring 41 mm across. The case stands 13 mm thick and carries a rating of 30 metres water resistance. A silver plated dial sits under a convex sapphire crystal with antireflective coating on both sides. A self-winding movement, calibre 69355, drives the watch and offers 46 hours of power reserve. The case has a display back showing the movement. Beyond the chronograph function, the watch has small seconds. A stainless steel bracelet is fitted to the watch.