Apple Watch not working properly?
What to Know
This article provides step-by-step instructions for restarting an Apple Watch.
The Apple Watch will turn off when the animation disappears.

How to Turn the Apple Watch On
Press and hold the Apple Watchs side button.
Release the side button when the Apple logo appears.
Manually unlock the watch by entering in your pin code, provided you have one.
In fact, if everything is performing as intended, you may never need to reboot the Apple Watch.
If something isn’t working correctly, however, a quick restart can clear up some common issues.
You might also need to reset it if there are larger problems occurring.
However, a simple restart can alleviate many of the random issues that occasionally crop up from.