IWC Schaffhausen Portugieser Chronograph

The IWC Portugieser Chronograph, reference IW371604, is a chronograph with a 41 mm steel case. The watch's case has a thickness of 13 mm; self-winding calibre 69355 has a 46-hour power reserve, 27 jewels and 205 components. The silver-plated dial has small hacking seconds. The watch has a black alligator leather strap. The case carries a water-resistance rating of 30 metres. A see-through case back displays the movement. The movement runs at 28,800 vibrations per hour. The dial is covered by convex sapphire glass with antireflective coating on both sides.