iWatch illuminates blue square ring
Blue line illuminates around watch face for a second then disappears. Now it is around one of the compilations at the corner forming a box line around it. What is causing that and how does one get rid of it?
When you raise your wrist, a blue ring around your Apple Watch screen will indicate that AssistiveTouch is turned on. It allows you to use hand gestures to navigate and use your Apple Watch. For more info, see:
Use AssistiveTouch on your Apple Watch – Apple Support (UK)