Press and hold the Apple Watch face
Swipe left or right to choose a watch face
Tap the Edit button or Customize on the selected face
Swipe to the Photos or Color section if available
Choose a photo, color, or style
Press the Digital Crown to save
To use a photo as the watch face, open the Watch app on iPhone
Tap Face Gallery
Select Photos
Choose a photo and tap Add
Tap Set as Current Watch Face
To change the wallpaper from the Photos app on Apple Watch, open Photos
Select a photo
Tap the share or options button if available
Choose Create Watch Face if shown
Confirm the selection
To remove or replace a wallpaper, press and hold the current face
Swipe to a different face or edit the current one
Select a new photo or style
Press the Digital Crown to finish