First of all, make sure what's wrong with the watch. The common problem with quartz watches is that they are not allowed to go. You can try degaussing. If you don't leave, it should be that the battery is dead and you can change it. There are many reasons for the problems of mechanical watches, such as time adjustment, insufficient winding, inaccurate or secretly stopping, slow walking and so on. The internal problems of the movement need to be detected on the watch calibrator, and the problems can be solved if they are found out.
Zhuhai repair shop, Zhuhai Xiangzhou Ningxi 338 Taihe Business 8A Guangcheng Watch Shop shows it to the master for you. If it is an appearance problem, it will be relatively simple, such as replacing the mirror of the watch when it is broken, polishing and renovating the shell or repairing the strap buckle, and so on.