Haylou has announced another new smartwatch, following the RS3 earlier this year. The Haylou RT2, also called the Haylou LS10, has a chic design, IP68 certification and a reasonably large battery, among other features.
https://www.notebookcheck.net/Haylou-unveils-a-new-smartwatch-with-IP68-certification-a-SpO2-sensor-and-Bluetooth-5-0-support.556217.0.html