Change the watch face on your Apple Watch - Apple Support
Personalize your Apple Watch face so it looks the way you want and provides the functions you need.
Apple Watch faces and their features - Apple Support
About notifications - Apple Support
Apple Watch faces and their features - Apple Support
How to change your Apple Watch face
Apple Watch faces and their features - Apple Support
How to swipe to change Apple Watch faces on watchOS 10 - The Mac
Change Your Apple Watch Face undefined - Self Service Demo
Use Emergency SOS - Apple Support (CA)
Use the Smart Stack to show timely widgets on Apple Watch - Apple