How To Turn Off Power Save On Apple Watch. The time displays for six seconds. If your Apple Watch is off press and hold the side button until the Apple logo appears you might see a black screen for a short time first.

Disable it from the Apple Watch. Green means power saving mode is turned on. You may need to charge your Apple Watch before you can turn off Power Reserve.
To turn off Power Reserve mode on Apple Watch the watch needs to be rebooted.
How to turn off Power Reserve on an Apple Watch. While looking at the Apple Watch face swipe up to open Glances. Swipe up from the bottom to bring. Tap the Power Saving Mode switch.

