How do water-resistant ratings in wristwatches work, and what do terms like "water-resistant," "waterproof," and "diver's watch" truly signify?

How do water-resistant ratings in wristwatches work, and what do terms like "water-resistant," "waterproof," and "diver's watch" truly signify?
Admin 19 hours, 10 minutes ago in Wristwatches
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