Function:1. Professional watch parts for watchmakers and watch repairers, easy to install, convenient and practical.2. Exquisite workmanship, pay attention to details, directly replace the old or broken, necessary accessory.3. Can be used as a spare part for easy movement replacement, simple operation, equipped with battery.4. Adopts excellent plastic material, safe and environmentally friendly, firm and sturdy, stable structure, has a long service life.5. Small in size and light, it does not take up much space, it is easy to store and carry, convenient to carry at the same time.Specification:Condition: 100% newItem Type: Clock MovementMaterial: plasticBattery model: SR621SW button battery (included)Battery capacity: 18 mAhPurpose: used to replace the watch movementPackage list:1 x movement1 x rod1 x Cell Button