Ok, it's not evening, but here it is: https://github.com/profriemke/riemkeclock
I can reproduce it. Uploaded your clock to my watch (only RAM) and it crashed 3 times now after different amounts of time. I'm on 2v07 btw.
@Raik started
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.
Ok, it's not evening, but here it is: https://github.com/profriemke/riemkeclock