Software update series 3 Apple Watch
How to make more space available update
Apple Watch
How to make more space available update
Apple Watch
The part I missed was clicking on my watch at the top of the page. On my version you click on “All Watches” on the ‘my watch’ tab in the watch app. It is in a yellow font way top of the page.
Unpair your Apple Watch via the Watch app on your iPhone.
Then Re-pair your Apple Watch again,this usually frees up
enough storage space to update your watch.And without any loss of data.
Or this;
If you don’t have enough space to update your Apple Watch – Apple Support
Software update series 3 Apple Watch