II can’t get my new Apple Watch to track my exercise right. I calibrated it and it’s not working.

They all have to meet the same criteria to get exercise credit.

Here is some maybe helpful info;

Get the most accurate measurements using your Apple Watch – Apple Support

Calibrating your Apple Watch for improved Workout and Activity accuracy – Apple Support

How is it wrong? Do you have some more specifics?

Make sure both devices are up to date, then unpair the watch, pair again, and set up your fitness calibration & information. To test it, reference

https://support.apple.com/en-us/HT207941

It's not me asking the question.