I don’t know much about this – had it in a drawer for years. I think it is suppose to have a cap? I have tried to show all the different angles in the photos. It has little signs of wear. Good for parts or restoration. The item “VINTAGE EXPO WATCH CAMERA WITH VIEW FINDER PARTS OR RESTORATION” is in sale since Saturday, September 4, 2021. This item is in the category “Cameras & Photo\Vintage Movie & Photography\Vintage Cameras\Subminiature Cameras”. The seller is “applepie4me” and is located in Mayfield, New York. This item can be shipped to United States.