How to maintain the mechanical watch?

General watches should be maintained at least once every 2-3 years to ensure the reliability and accuracy of watches. In fact, no matter what grade of watches, regular maintenance is to extend the service life of watches. In the process of wearing watches, it is inevitable that some scratches will appear after wearing them for a period of time, especially those expensive watches, and many people will think of changing mirrors. It will be more expensive to change the mirror, so we try not to let the mirror of the watch touch those sharp objects when we wear it. Moreover, we don't say that watches are placed in places with magnetic fields, such as televisions, refrigerators, computers and mobile phones. To prevent the watch from being magnetized, do not open the back cover of the watch at will. If dust enters, it will affect normal use. When wearing a watch, we should pay attention to the corrosive effect of sweat on our case. When necessary, we often wipe the sweat with a soft cloth or put a plastic watch holder to prevent the watch from being eroded by sweat.