I keep getting a message"turn digital crown to unlock and eject water" ???

As mentioned above…

Spin the digital crown—the knob—quickly, a half dozen or more times.

This will clear the water lock.

How to use Water Lock and eject water from your Apple Watch - Apple Support

It means you got your watch wet or you turned on water lock from Control Center and you need to do what it tells you to do to eject the water and use the watch again.