Photos access is allowed on this Mac.
Create and sync the album
Album "All Our Years · Growing up · Theo" is up to date. · 18 added
One-time hookup on your iPhone
- Wait for the album to appear in Photos on your iPhone.
- Open the Watch app on the iPhone.
- Go to Face Gallery or Photos → Sync Album.
- Pick All Our Years · Growing up · Theo.
You only do this once; after that, every sync from this Mac
flows to the watch on its own.