Copper Mechanical Watch Movement Main Spring Replacement Part Watch Repairing Accessory

Feature: 1. One of the professional watch repairing tools, suitable for repairmen and amateurs to save expensive repair costs. 2. Mainly used for ensuring normal working and stable performance of watch movement. 3. Copper material is durable and not easy to deform, can effectively resist oxidation and rust, long service life. 4. Suitable for watch makers and watch repairing workers to use, practical and wonderful tool. 5. Wonderful replacement for the old or broken one, about 4.9cm 1.93in of the Diameter and 2cm 0.79in of the height. Specification: Item Type: Movement Main Spring Material: Copper Diameter: Approx. 4.9cm 1.93in Height: Approx. 2cm 0.79in Usage: Used to replace watch movement main spring. Package List: 1 x Roll of Movement Main Spring