Water resistance of Apple 7 watch.
Can this watch take a shower, go in the hot tub, or-swim?
Apple Watch Series 7
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Apple Watch Series 2 and newer may be used for shallow water activities like swimming in a pool or ocean. However, Apple Watch Series 2 and newer shouldn't be used for scuba diving, water skiing, or other activities involving high velocity water or submersion below shallow depth.
Showering with Apple Watch Series 2 and newer is ok, but we recommend not exposing Apple Watch to soaps, shampoos, conditioners, lotions, and perfumes as they can negatively affect water seals and acoustic membranes. Apple Watch should be cleaned with fresh water and dried with a lint free-cloth if it comes in contact with anything other than fresh water.
Water resistance isn't a permanent condition and may diminish over time. Apple Watch can't be rechecked or resealed for water resistance.
For more info, see:
About Apple Watch water resistance - Apple Support