It seems unlikely that both watches would have some kind of fault that would cause those issues...
My gut reaction is that there's something about your setup that's the culprit (but of course, human intestines are notoriously bad at troubleshooting tech so I might be completely wrong)...
What is your setup? Firmware version (if you're not on the latest it might be a good idea to update), installed apps, phone, etc...
Espruino is a JavaScript interpreter for low-power Microcontrollers. This site is both a support community for Espruino and a place to share what you are working on.
It seems unlikely that both watches would have some kind of fault that would cause those issues...
My gut reaction is that there's something about your setup that's the culprit (but of course, human intestines are notoriously bad at troubleshooting tech so I might be completely wrong)...
What is your setup? Firmware version (if you're not on the latest it might be a good idea to update), installed apps, phone, etc...