Typically, modern smart watches have 5atm standard, which allows you to use them when dives up to 50 meters. In 2023, Huawei released the Watch Ultimate, which received 10atm certificate for the first time in the brand.
It is still unknown whether the Watch Ultimate 2 will maintain the same level of protection as the predecessor, or that the GT 6 line will have better water resistance. However, ads are already implying water resistance.
Source: Ferra

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