How can I run heart rate on the watch screen when I am walking outdoors
I am unable to see my heart rate on my watch when I am walking it shows calories and time
Apple Watch Series 6, watchOS 7
The first (and simplest) thing to try if something isn’t working right is to restart your Apple Watch and its paired iPhone. If necessary (device not responding), try a forced restart. Both methods can be found here:
How to restart your Apple Watch - Apple Support
Restart your iPhone - Apple Support
The next steps would be to unpair and pair your watch again and restore from the backup:
Unpair and erase your Apple Watch - Apple Support
Set up your Apple Watch - Apple Support
Also see step 5 in:
Get the most accurate measurements using your Apple Watch - Apple Support