can you add music to apple watch from a mac?
Can I add music to a watch from my Mac Mini?
Mac mini, macOS 12.7
Apple Watch only sync with paired iPhone.
If you have Apple Music subscription, music added to library on Mac should appear on Apple Watch automatically.
Without Apple Music subscription, you need to sync music files from computer to the paired iPhone, then select albums in Watch app.
Add music to Apple Watch – Apple Support (UK)