My watch does not turn on when I move my wrist

If your Apple Watch doesn’t wake when you raise your wrist, make sure you selected the proper wrist and watch orientation. Also make sure you are not in Theater Mode. For more info, see:

Turn on and wake Apple Watch - Apple Support

Use Control Center on your Apple Watch - Apple Support

On your iPhone launch the Watch app. Go to the General/Wake Screen preference pane and make sure that Wake on Wrist Raise is turned on: