Winds and ticks away but we have not tested it for time keeping. The winding key alone is an interesting thing as it is silver and has an Owl on one side and a Roman head on the other. I presume its made as a Roman coin or is a Roman coin used to make a key either way an very interesting item by itself. The solid silver chain has silver marks to each link. Antique Silver French Fusee Verge Pocket Watch With Box Chain Key Wind.Key winding fusee verge escapement with box and key. The item "Antique Silver French Fusee Verge Pocket Watch With Box Chain Key Wind" is in sale since Monday, December 14, 2020. This item is in the category "Jewellery & Watches\Watches, Parts & Accessories\Watches\Pocket Watches". The seller is "almaclock" and is located in Camden, New South Wales. This item can be shipped worldwide.