Feature:1. Made of high‑quality plastic, it can ensure maximum durability, have a long service life, and avoid the trouble of frequent replacement.2. Small and convenient, convenient to store and carry, anytime, anywhere, the watch can be used when it is broken.3. Professional tools for watchmakers and watch repairers, buy it to repair the watch yourself, saving you expensive repair costs.4. With the battery delivery, save you the trouble of buying batteries, can be used directly.5. The professional tools of the watch repairer are very accurate, allowing you to know the time more accurately.Specification:Item Type: Watch MovementMaterial: PlasticBattery Type: SR621SW Button Battery (Included)Battery Capacity: 18mAhUse: For the replacement of watch movement Package List:1 x Watch Movement1 x Pin1 x Button Battery 1 x Pinion