See how to read an SMS on your Apple Watch.
Tap the Digital Crown.
Tap the message icon.
Tap the required SMS.
Reply to SMS using voice input
Tap the microphone icon and follow the instructions on the screen to record and send the message.
To use voice input, you need to turn on dictation.
Reply to SMS using quick reply
Tap the required quick reply.
Return to the home screen
Tap the Digital Crown twice to return to the home screen.