IWC Schaffhausen Portugieser Chronograph

The IWC Portugieser Chronograph, reference IW371491, is a chronograph with a 40.9 mm steel case. The case is 12.5 mm thick; self-winding calibre 79350 has a 44-hour power reserve. The blue dial, covered by convex sapphire glass with antireflective coating on both sides, has small hacking seconds. The watch has a black alligator leather strap, 20 mm wide. The case's water-resistance rating is 30 metres. The movement has Côtes de Genève and perlage decoration. The movement runs at 28,800 vibrations per hour. The movement consists of 272 components and has 31 jewels.