Change the audio and notification settings on your Apple Watch - Apple Support

Learn how to set your watch's volume, mute your watch, or turn on Do Not Disturb. You can also adjust the strength of the taps and vibrations that your Apple Watch uses for alerts and notifications. 

Change the audio and notification settings on your Apple Watch

Run with your Apple Watch - Apple Support

Apple Watch Ultra - Notifications & Alerts - AT&T

Stay up to date everywhere you go - Apple Support

Change the Sound and Haptic Settings on the Apple Watch

Update your Apple Watch - Apple Support

Add an alarm on Apple Watch - Apple Support

How to Change the Ringtone on Your Apple Watch - GadgetMates

Apple Watch Ultra User Guide - Apple Support