IWC Schaffhausen Portofino Chronograph

The IWC Schaffhausen Portofino Chronograph IW391037 has a stainless steel case measuring 42 mm across and 13.6 mm thick, presented as a chronograph. The case carries a 30 metre water resistance rating. A convex sapphire crystal with antireflective coating on both sides covers the silver-plated dial. Inside is the self-winding calibre 75320, offering 44 hours of power reserve. Functions include small seconds, a date display and a weekday indication alongside the chronograph. A blue alligator leather strap, 20 mm at the lugs, is fitted to the watch. The movement runs at 28,800 vibrations per hour with 25 jewels.