The material of the product is strong, durable, long service life.Can be used as a spare to make it easier to replace your movement.Unique calendar movement, high precision.Colour: picture colorMaterial: metalPackage Contents:1 * Movement1 * HandlebarOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.