I got my VENU X1 to service, They said that all is OK, except the rep count does not work and will be fixed in future updates.
This is like buying a washing machine and until update you can not use it. The Garmin does not take it back. This is A NON WORKING watch.
HERE is the problem.
REP COUNT! among other thing
Here is bicep workout
https://youtube.com/shorts/qLzq3P6MskA?feature=share
and here is triceps workout. (as we can see in the video, before I hit end set it was number 9 reps, but after i clicked it went to 16