You could pair the watch up with another phobe as a process of elimination but this may then Reset the watch @Paxu
If this continues you may need to unpair the phone and watch and start again.
As a last resort restore the watch.
A Samsung Service Centre can assess your watch.
Daily Driver > Samsung Galaxy s²⁵ Ultra 512Gb ~ Titanium Black.
The advice I offer is my own and does not represent Samsung’s position.
I'm here to help. " This is the way. "
