First, when cleaning the body, you should disconnect the power supply, clean it thoroughly, and keep the watch clean, but avoid washing it directly with water.
Second, to avoid unnecessary injury and damage to the body. When it is found that any parts are loose or are about to fall off or wear out, they should be repaired in time.

Third, handle it with care and place it on a stable operating table 

Fourth, the surrounding environment should keep the temperature not too high, in a dust-free and vibration-free environment.

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