IWC Schaffhausen Portugieser Chronograph Rattrapante Edition "Boutique Genève"

The IWC Portugieser Chronograph Rattrapante Edition "Boutique Genève", reference IW371221, is a chronograph with a 40.9 mm steel case. This special edition has a 12.4 mm thick case. The movement is manual-winding and has a 44-hour power reserve and 27 jewels. The black dial has small hacking seconds and a split-seconds function under convex sapphire glass. A dark brown alligator leather strap is on the watch. The case carries a water-resistance rating of 30 metres. The movement has Côtes de Genève and perlage decoration. Calibre 76240 operates at a frequency of 28,800 vibrations per hour.