IWC Schaffhausen Portugieser Perpetual Calendar 42

The IWC Portugieser Perpetual Calendar 42, reference IW344203, has a 42.4 mm steel case. The watch has a perpetual calendar; the case has a thickness of 13.8 mm. The movement is self-winding and has a 60-hour power reserve and 46 jewels. The silver-plated dial has a day and date display, central hacking seconds and a moon phase display beneath convex sapphire glass. A black alligator leather strap by Santoni is on the watch. A water-resistance rating of 30 metres applies to the case. Calibre 82650 operates at a frequency of 28,800 vibrations per hour.