18 Size Pocket Watch Case Fahys Keywind No. 1 Coin Silver – NA739. 1 Coin Silver hunting pocket watch case. This is for key wind movements. The case has age/use related wear to include scratches, dings, discoloration, and could use a polish. The crystal has some scratches and needs to be cleaned up. The crown and bow have some scratches and discoloration. Both front and back covers are hinged. The case measures about 2-3/16 in diameter not including the crown or bow. The case weighs 4.0 ounces. If you are just trying to fix a watch or clock without knowledge of how to do so, we suggest that you seek out professional help. To do it on your own risks permanent damage to your clock or watch. This can lead to be an expensive proposition if you to repair work with out that knowledge. Designated trademarks and brands are the property of their respective owners. Powered by SixBit’s eCommerce Solution.