遇到这种情况最好交给专业表店清洗，平日佩戴也应注重手表的清洁。
In this case, it is best to pay a professional watch shop cleaning, daily wear should also pay attention to the cleanliness of the watch.
所有人必须先换上一件从头到脚的白色清洁衣，确保将手表、戒指和其它首饰都摘掉，然后带上面罩。
They must first change into a head-to-toe white suit, making sure to take off all watches, rings, and jewelry, and put on a face mask.
手表应保持清洁，不要放在潮湿、多尘、高温和存在强磁场的地方。
Watch should be kept clean, do not put in the wet, dusty, high temperature and the presence of a strong magnetic field.
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