IWC Schaffhausen Portugieser Chronograph

The IWC Portugieser Chronograph, reference IW371616, is a chronograph with a 41 mm steel case. The case measures 13 mm thick; self-winding calibre 69355 has a 46-hour power reserve, 27 jewels and 205 components; the red dial has small hacking seconds. A black alligator leather strap is on the watch. The case carries a water-resistance rating of 30 metres. The watch has a see-through case back. The movement has Côtes de Genève and perlage decoration. The movement runs at 28,800 vibrations per hour. The sapphire glass is convex and has antireflective coating on both sides.