Connect with the watch
iPhone XR, iOS 15
"How to write a good question"
To help other members answer your question, give as many details as you can.
Describe the problem, and include any details about what seems to cause it. List any troubleshooting steps you've already tried or temporary fixes you've discovered.
Set up your Apple Watch - Apple Support
M1 Mac mini, macOS 12.3.1; Watch, series 5 GPS/cellular, watchOS 8.5.1; iPad Pro 2nd Gen, iPadOS 15.4.1; iPhone 12 Pro, iOS 15.4.1; TV 4th Gen, tvOS 15.4.1; HomePods, audioOS 15.4.1 and Airport Express w/ Airplay 2