Wake your Apple Watch by tapping the screen or raising your wrist
Press and hold the watch face
Swipe left or right to browse available watch faces
Tap the watch face you want to use
To customize a face, press and hold it, then tap Edit
Swipe through the customization options and turn the Digital Crown to adjust settings
Press the Digital Crown to save changes
To add a new watch face, press and hold the current face, swipe to the New button, and tap it
Choose a watch face and tap Add
To change the watch face from your iPhone, open the Watch app
Tap Face Gallery
Select a watch face
Customize it if needed
Tap Add to My Faces
On your Apple Watch, press and hold the face, then swipe to switch to the new one