IWC Schaffhausen Portugieser Chronograph

The IWC Portugieser Chronograph, reference IW371610, is a chronograph with a 41 mm case in 18-carat 5N gold. The case is 13 mm thick; calibre 69355 is self-winding and has a 46-hour power reserve and 27 jewels. The grey dial, covered by convex sapphire glass, has small hacking seconds. The watch is on a black alligator leather strap by Santoni. The case's water-resistance rating is 30 metres. A see-through case back displays the movement. The movement runs at 28,800 vibrations per hour. Movement decoration includes Côtes de Genève and perlage.