my apple watch

See the reply to:

My Apple Watch is stuck at the Apple logo - Apple Community

or see:

How to restart your Apple Watch - Apple Support

If your Apple Watch won't charge or it won't turn on - Apple Support

Place the watch on the Apple charging puck that came with the watch. Press and hold the side button until you see Power Off, then drag the slider. To turn your watch on again, press and hold the side button. To restart the watch, press and hold the Side Button again.

M1 Mac mini, macOS 11.2.2; Watch, series 5 GPS/cellular, watchOS 7.3.1; iPad Pro 2nd Gen, iPadOS 14.4; iPad Air 2, iPadOS 14.4; iPhone 12 Pro, iOS 14.4; TV 4th Gen, tvOS 14.;  HomePods, audioOS 14.4 and Airport Express w/ Airplay 2