These are watch movements made of metal and plastic, which are durable and safe to use. They have a good manufacturing process and have a . They are easy to use, easy to install, and very suitable to help you change the watch core. Low power consumption, accurate timekeeping, will be your , can bring you a good experience. Features -Material: Plastic, Metal. -Size: About 16.80X14.30X3.50cm/6.60X5.62X1.38inch. -Mainly made of plastic and metal materials, simple and practical, with good texture. -This practical clock movement is suitable for most types of clocks, don't have to worry about incompatibility. -The design of the watch core is simple and generous, and it can be easily matched with watches that are inconsistent with the frame. -The intimate silent design and precise timing function of the watch can easily win people's love. -The movement kit is well-made, sturdy and durable, and of . Package list: 1 Movement