IWC Schaffhausen Portofino Automatic 37

The IWC Portofino Automatic 37, reference IW458108, has a 37 mm case in 18-carat 5N gold. The watch is set with diamonds; the case has a thickness of 9.2 mm. The movement is self-winding and has a 42-hour power reserve and 25 jewels. The dark grey dial has a date display and central hacking seconds 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 35111 operates at a frequency of 28,800 vibrations per hour.