How To Exit Power Save Mode Apple Watch. The watch will boot into normal mode. Monitoring your Battery Performance.
Open the Apple Watch. Tap MID from the Power saving mode section. Press and hold the side button until you see the Apple logo.
Once you enter Power Reserve the only way to exit from this power-saving mode is to restart your Watch by holding down the side button until the Apple logo appears.
Try reseating your power cable and charging again and it should power itself back on. Apple also added some basic battery stats into its Watch settings that allow you to view your usage times. Once you enter Power Reserve the only way to exit from this power-saving mode is to restart your Watch by holding down the side button until the Apple logo appears. The watch will boot into normal mode.
