IWC Schaffhausen Portofino Automatic 37

IWC Schaffhausen's Portofino Automatic 37, reference IW658601, has a stainless steel case measuring 37 mm across. The case stands 9.4 mm thick and carries a rating of 50 metres, or 5 bar. A silver plated dial sits beneath a convex sapphire crystal treated with antireflective coating on both sides. Inside is the IWC-manufactured calibre 32111, a self-winding movement with 120 hours of power reserve. The case has a sapphire display back that shows the movement. The dial has a central seconds hand and a date display. This watch uses a blue calfskin strap with a quick-change system, measuring 18 mm at the lugs.