IWC Schaffhausen Portugieser Chronograph Edition "150 Years"

The IWC Portugieser Chronograph Edition "150 Years", reference IW371601, is a chronograph with a 41 mm steel case. This special edition has a 13.1 mm thick case. Self-winding calibre 69355 has a 46-hour power reserve, 27 jewels and 194 components. The blue dial has small hacking seconds beneath convex sapphire glass with antireflective coating on both sides. The watch is on a black alligator leather strap. A water-resistance rating of 30 metres applies to the case. A see-through case back displays the movement. The movement's operating frequency is 28,800 vibrations per hour.