47 mm stainless steel case with serial number engraved on a small plate fixed on the side, screwed in back with fume' glass showing the skeleton balance wheel, crown on left side with a protective device, sapphire crystal
47 mm stainless steel case with serial number engraved on a small plate fixed on the side, screwed in back with fume' glass showing the skeleton balance wheel, crown on left side with a protective device, sapphire crystal