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Why does Waterproof Watch need maintenance?

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Most watches are marked waterproof, such as 30M, 50M, 100M etc. There are also a part of noted non-waterproof. Due to the structure, some water-resistant and some not water-resistant. It don’t mean that the non-waterproof watch is not a good watch.

Keywords in the article:Watch,Man watch,Lady watch,Vogue watch,Wrist watch