Yes, the HUAWEI GT 3 Pro Titanium is a waterproof smart watch. It is water proof up to 30m in depth. This means you can do shallow water scuba diving with the product as it meets the requirements of the EN13319 standard for diving standards, and supports free diving with a maximum depth of 30 m.
Please note, once you have used this HUAWEI waterproof smart watch in the sea, we recommend you wash off the seawater.