It is recommended to maintain it once every 2-3 years, depending on the specific meter. 1, such as quartz watch or mechanical watch, classic big three-needle, complicated function table, etc. , different models have different maintenance costs, ranging from 600- 1300 yuan. 2. It is recommended to go to a professional watch bank for maintenance. The complete watch maintenance services provided by professional watch banks include:

(a) The basic maintenance service of the watch movement is limited to the case that the watch movement itself is defective in manufacture or faulty; ① Check the motor function and make necessary motor decomposition; (2) Cleaning, oiling, assembling and adjusting the accuracy according to the movement situation; ③ Replace the aged waterproof ring and the necessary worn and aged moving parts according to the movement situation;

(b) Appearance maintenance service: ① Cleaning the watchcase, watchband and belt buckle; ② Conduct waterproof test; ③ Check the watch to ensure that it meets the travel reliability and functional standards stipulated by the brand.