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04th Oct

Watches common sense: quartz watches

Watches common sense: quartz watches As the name implies, A quartz watch must have quartz.. Quartz is made up of silicon and oxygen, and the chemical composition is silicon dioxide (silicon dioxide), which is actually the same...

04th Oct

What is a waterproof watch

Watches are usually divided into "waterproof watches" and "Watch is not waterproof " If there is no waterproofing on the back of the case. Don't have waterproof performance so be careful not to wet by water, because of the...

  
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