IWC Schaffhausen Portugieser Chronograph

The IWC Schaffhausen Portugieser Chronograph IW371606 is a steel chronograph with a 41 mm case. The case measures 13 mm thick, with a lug width of 20 mm. Its blue dial sits under a convex sapphire crystal with antireflective coating on both sides. The self-winding calibre 69355 drives the watch, with a power reserve of 46 hours. The chronograph function is paired with small hacking seconds, giving the dial both timing and running-seconds display. A sapphire display back shows the movement from behind. IWC fits this reference with a black alligator leather strap. The case carries a rating of 30 metres, equivalent to 3 bar.