1[Alloy Material] Watch Movement is made of high quality alloy material, which is not easy to deform, can effectively resist oxidation and rust, and has a long service life. 2[Movement Replacement] Quartz Movement can be used as an auxiliary component, which is convenient for you to replace the movement, and the operation is simple. 3[Easy Installation] This is a necessary watch accessory for watchmakers and watch repairers. It is easy to install, convenient and practical. 4[Fine Workmanship] Fine workmanship, attention to detail, perfect replacement of old or broken, easy to use, exquisite watch repair parts. 5[Lightweight and Compact] Convenient to carry, light and compact, does not occupy space, is easy to store and carry, and is convenient to transport.