To start personalizing your watch face, open the Watch app and tap the Face Gallery tab, where you'll find a bevy of categories, including Health & Fitness, Photos, and Data Rich. Add photos to your Apple WatchIf you would like a more personal touch, you can add your own photos to your Apple Watch's gallery. To do so, visit the Apple Watch app on your iPhone and tap Face Gallery. Once you've made your selection, you can further customize your watch face by scrolling to the bottom of the application. After you've customized the watch face to your liking, tap Add to Watch, and the photo compilation will be added to your collection.