nicola_nicastri Hey mate, if you want to reset to factory settings, you can do
1. Press the button to enter the function list, select Settings, enter the System menu, select the Factory Reset settings option, tap Factory Reset, and the watch will clear data and restart.
2. Swipe down on the main watch face to display the shortcut menu, select Settings, enter the System menu, select the Factory Reset settings option, tap Factory Reset, and the watch will clear all data and restart.