IWC Schaffhausen Portugieser Chronograph

The IWC Portugieser Chronograph, reference IW371471, is a chronograph with a case in 18-carat 5N gold. The black dial has small hacking seconds under convex sapphire glass with antireflective coating on both sides. Self-winding calibre 79350 has a power reserve of 44 hours and 31 jewels. A brown alligator leather strap, measuring 20 mm wide, is on the watch. The case has a water-resistance rating of 30 metres. The movement consists of 272 components and has Côtes de Genève and perlage decoration. The calibre operates at a frequency of 28,800 vibrations per hour.