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. 

Check and update your calendar on Apple Watch - Apple Support

Change the audio and notification settings on your Apple Watch

About notifications - Apple Support

Apple Watch Ultra User Guide - Apple Support

Get notifications for your smart home accessories - Apple Support

Change the audio and notification settings on your Apple Watch

How to change notification sounds on your iPhone

Set up and use Notify When Left Behind in the Find My app - Apple Support

Status icons and symbols on Apple Watch - Apple Support

Connect Apple Watch to Bluetooth headphones or speakers - Apple Support