Seller: theclockbrothers (2,135) 100%, Location: Berne, New York, Ships to: US & many other countries, Item: 272894941409 New replacement Chelsea logo clock key for Chelsea ships clocks. They are size 5 or 3.5mm and fit most Chelsea clocks. These are reproduction keys.These are made of brass. They ship free via USPS First Class mail. International Buyers – Please Note: Import duties, taxes, and charges are not included in the item price or shipping cost. These charges are the buyer's responsibility. Please check with your country's customs office to determine what these additional costs will be prior to bidding or buying.