IWC Schaffhausen Portofino Automatic Moon Phase 37

The IWC Schaffhausen Portofino Automatic Moon Phase 37, reference IW659601, has a steel case measuring 37.1 mm across. The case stands 11.3 mm thick and carries a 5 bar rating, equivalent to 50 metres. Inside is the IWC-manufactured calibre 32800, a self-winding movement with a 120-hour power reserve. A convex sapphire crystal with antireflective coating on both sides covers the silver-plated dial, and a sapphire display back shows the movement from behind. The watch pairs a central seconds function with a moon phase display. Blue calfskin forms the strap, fitted with a quick-change system.