Maintenance cost of watches: The cost of disassembling and washing ordinary watches is 770 yuan; if it is a gold watch, the cost of disassembling and washing is above 800 yuan. According to the regulations of the watch industry association, in addition to the dismantling and washing fee, a 10,000-yuan watch will be charged with an inspection fee of one thousandth according to the introduction grade price of the watch. For those mechanical watches that have not been worn for a long time, it is also necessary to wind them regularly and let their chips turn. As for the quartz watch, its battery life is generally 1 to 2 years. The battery should be replaced regularly, and the sealing ring should be replaced when changing the battery.