If your Apple Watch is unresponsive, and traditional power cycling methods are ineffective, then consider performing a force restart on Apple Watch Series 2 to resolve the issue. Apple Watch Off Button Not Working? In many cases, a Factory Reset can often troubleshoot unresponsive devices and subsequently restore functionality. Below, you will find short and simple instructions and a video on how to perform an watchOS Hard Reset.
Soft Reset for Apple Watch Series 2
STEP 1
To force a restart, press and hold the side button and the digital crown at the same time for a minimum of ten seconds.
STEP 2
When you see the Apple logo on your Apple Watch release both buttons
STEP 3
And that’s it, you have correctly performed Factory Reset operation and your Apple Watch should start the Force Restart. Well done!