IWC Portofino Automatic Moon Phase 37 Stainless Steel / Diamond / Silver Ref. IW4590-08

The IWC Portofino Automatic Moon Phase 37 was introduced in 2014. It marked the return of the moonphase display to the Portofino collection, which had been absent since the discontinuation of the Vintage Collection Portofino. Reference IW459008 has a stainless steel case with diamond-set bezel and a silver/white dial. It was added to the collection in 2017.