IWC Schaffhausen Portugieser Chronograph Edition "150 Years"

The IWC Portugieser Chronograph Edition "150 Years", reference IW371603, is a chronograph with a 41 mm case in 18-carat 5N gold. This special edition has a 13 mm thick case; self-winding calibre 69355 has a 46-hour power reserve and 27 jewels. Convex sapphire glass covers the white dial with small hacking seconds. Water resistance is rated to 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 watch's strap is black alligator leather, with a width of 20 mm.