In case this is useful to anyone else: I had what looked like the same connection issues @TheDod had, fixes outlined above didn't help, no other devices were connecting to my watch. Rebooting the laptop does seem to have fixed the issue, though!
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.
In case this is useful to anyone else: I had what looked like the same connection issues @TheDod had, fixes outlined above didn't help, no other devices were connecting to my watch. Rebooting the laptop does seem to have fixed the issue, though!