Feature:1. Made of high-quality alloy, material is sturdy, durable, and has a long service life.2. Important parts of watch are exquisite in craftsmanship, and movement can be easily replaced with it.3. Delivered with batteries, saving you the trouble of buying batteries separately.4. Small and convenient, convenient to store and carry, and convenient to transport at the same time.5. Professional tools for watchmakers and watch repairers save you time and energy.Specification:Item Type: Automatic Watch MovementMaterial: AlloyBattery Model: SR621SW Button Battery (Included)Battery Capacity: 18mAhPurpose: Used for replacement of watch movement Package List:1 x Movement1 x Handle1 x Button Battery