The material of the product is strong, durable, long service life.Can be used as a spare to easier to replace your movement.High precision,unique calendar movementThe color of the outer frame and the appearance of some areas of different batches of may be different, which will not affect the useType:NH36 NH36A MovementColour:silverMaterial:MetalPackage Contents:1 x Movement2 x Steel Only the above package content, other are not included.Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.