Hi
Delete the existing Photo watch face and add a new one:
- With the screen awake, press firmly on the watch face, swipe left / right to your existing Photo watch face, then swipe up on the preview to delete / trash it.
- To add a new one, next swipe left / right to the New watch face option, tap on the New button (+), scroll to the Photo watch face (using the Digital Crown) then tap on it to select it.
- Or open the Photos app on your watch, press firmly on your preferred photo, then tap on Create Watch Face.
To change the album that is used for your Photo Album watch face:
- On your iPhone, in the Watch app, go to: My Watch (tab) > Photos > tap on Synced Album > select a different album from your iPhone.