It's quite an impressive watch, and there is a partially working Espruino build for it as well. It can be a bit tricky to get hold of though, so let me know if there's interest in a group buy.
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.
Just a note that I published some technical details of the SMA Q3 smartwatch here: https://hackaday.io/project/175577-hackable-nrf52840-smart-watch
It's quite an impressive watch, and there is a partially working Espruino build for it as well. It can be a bit tricky to get hold of though, so let me know if there's interest in a group buy.