Link for the picture posted above; https://www.amazon.com/Tourist-Anti-Scratch-Anti-Fingerprint-Anti-Bubble-Installation/dp/B07873R8QJ/ref=sr_1_2?c
This link is for one that is only slightly bigger than the viewable screen on the WS6; https://www.amazon.com/Tourist-Anti-Scratch-Anti-Fingerprint-Installation-Replacements/dp/B078HBDDGG/ref=sr_1_1
There are a few different UV glue kits for watch screen savers listed there. Make sure you get the right UV glue or the installation could be permanent.