Hello.
Can you please tell more about the masks? What exactly do you see?
To resolve issues with turning wrist and not showing time, let's go through these steps:
1. Make sure your iPhone and Apple Watch are updated to the latest OS
2. Check your Settings. On your iPhone, in the Watch app, go to My Watch (tab) > General > Wake Screen > check that Wake Screen on Wrist Raise is turned on.
3. Check that Theatre Mode is not enabled on your Apple Watch in the Control Center
4. Make sure Wrist Detection is turned on in the Watch app
If these steps didn't help, just restart your Watch and iPhone.
If the restart didn't help, unpair and re-pair you Watch from the Watch app in your iPhone.
Here are some guides for this:
Unpair your Apple Watch and iPhone - Apple Support
Set up your Apple Watch - Apple Support
Re-pairing restore your Watch from the backup.
If after all of these manipulations you still have issues, try to unpair and then set them as new.
Hope it helps. Good luck!