IWC Schaffhausen Portugieser Chronograph

The IWC Portugieser Chronograph, reference IW371445, is a chronograph with a 40.9 mm steel case. The watch's case has a thickness of 12.5 mm; self-winding calibre 79350 has a 44-hour power reserve, 31 jewels and 272 components. The silver dial has small hacking seconds. The watch is on a black alligator leather strap. The case carries a water-resistance rating of 30 metres. The movement has Côtes de Genève and perlage decoration. The movement runs at 28,800 vibrations per hour. The dial is covered by convex sapphire glass with antireflective coating on both sides.