IWC Schaffhausen Portofino Automatic 37

The IWC Schaffhausen Portofino Automatic 37, reference IW658603, has a 37 mm case in rose gold. The case measures 9.4 mm thick, with a convex sapphire crystal treated with antireflective coating on both sides. An IWC-manufactured automatic movement, calibre 32111, drives the watch and winds itself, holding a power reserve of 120 hours. IWC rates the case to 5 bar, equivalent to 50 metres. The silver-plated dial shows a central seconds display and a date window. A sapphire window in the caseback gives a view of the movement. IWC specifies a black calfskin strap with a quick-change system, measuring 18 mm at the lugs.