IWC Schaffhausen Portugieser Chronograph Edition "150 Years"

The IWC Portugieser Chronograph Edition "150 Years", reference IW371602, is a chronograph with a 41 mm steel case. This special edition has a 13.1 mm thick case; calibre 69355 is self-winding and has a 46-hour power reserve and 27 jewels. The white dial has small hacking seconds under convex sapphire glass. 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 movement is visible through a see-through case back.