Source: iMore
You can easily enable this feature again any time you want by following the same instructions above. The button will turn green when the feature is on.
How to turn off Always Show Short Looks
Whether your Appel Watch is locked or unlocked, you should receive Short Looks of the notifications on your Apple Watch screen because, by default, Always Show Short Looks is enabled. You can turn it off in settings.
Launch
Tap
Tap the
Always Show Short Looks On/Off switch. When the button is gray, the feature is turned off.
Source: iMore
You can easily enable this feature again any time you want by following the same instructions above. The button will turn green when the feature is on.