Replace the Watch Face on the App:
Tap the Watch face settings entry in the "Profile" -> "Ninja 3"
page, and then download and sync watch faces on the
Watch Face Store. After that, the replacement is done
Replace the Watch Face on the Watch:
Long Press the screen, you shall get the options to change
the watch face, scroll left and click on the watch face you
want to select. The watch face will set.
Watch Face
Other Settings