How does Xiaomi Watch S3 power on, shut down, and restart?

There are two buttons on the right side of the Xiaomi Watch S3, with the function button on the top and the power button on the bottom.
Power on: In the shutdown state, Press and hold on the power button for 3 seconds to turn on the watch and enter the main page;
Shutdown: 1. When the watch is turned on, press and hold on the power button for 3 seconds to enter the page for restarting, shutting down, and restoring the factory. Choose it to shut down;
2. When turned on, tap on [Settings] >>[System Operations] >> [Select Shutdown] on the watch;
Restart: 1. When the watch is turned on, press and hold on the power button for 3 seconds to enter the restart, shutdown, and factory reset. Select [Restart];
2. When turned on, press and hold the power button for about 12 seconds, and the watch will forcibly restart;
3. When turned on, tap on [Settings] >> [System Operations] >> select [Restart] on the watch.