Feb Lot 90- Hamilton 16 Size Blued Pocket Watch Mainsprings

These are Hamilton 16 size blued factory numbers 317, 318 and 534 pocket watch mainsprings. There are five (5) mainsprings total. This is a good opportunity to stock up your mainspring cabinet at a fraction of the cost of purchasing them one mainspring at a time from the horological material house. Stock up your mainspring cabinet today and have the spring you need when you need it.