Use accessibility features with Siri on Apple Watch
Siri is often the easiest way to start using accessibility features with your Apple Watch. With Siri, you can open apps, turn many settings on or off, or use Siri for what it does best—acting as your intelligent personal assistant.
Siri: Say something like: “Turn on VoiceOver” or “Turn off VoiceOver.”
Siri knows when VoiceOver is on, so will often read more information back to you than appears on the screen. You can also use VoiceOver to read what Siri shows on the screen.
Set how long Siri waits for you to finish speaking
Go to the Settings app
on your Apple Watch.
Go to Accessibility > Siri, scroll down, then tap Default, Longer, or Longest below Siri Pause Time.
Type instead of speaking to Siri
You can use Siri without speaking. Follow these steps to type rather than speak Siri requests.
Go to the Settings app
on your Apple Watch.
Go to Accessibility > Siri, then turn on Type to Siri.