Hi @alaortiz,
Currently, there is a problem between Galaxy Watch Studio and Mac Big Sur.
See the announcement from Ron Galaxy Watch Studio and Mac Big Sur Update and the community discussion regarding this issue Galaxy Watch Studio and Mac OS Big Sur.
You may try this in the meantime,
Add the following into /Applications/GalaxyWatchStudio.app/Contents/Info.plist inside the array tag under the Eclipse key
-vm/Library/Java/JavaVirtualMachines/jdk1.8.0_201.jdk/Contents/Home/bin/java
If your jdk version is not ‘jdk1.8.0_201.jdk’ then replace it with the version number of your system.
Azad