[mod] Casio W800-H Countdown Timer Modification

I've had this Casio W800-H wristwatch kicking around for a while, but it turns out with a simple hack you can unlock or disable features! How could I not try it?

Helpful links:
https://ianrrees.github.io/2019/09/13/casio-w-800h-extras.html

https://www.watchuseek.com/threads/hidden-function-in-my-casio-w800h-module-what-the-heck-can-i-turn-it-on.650650/page-2

https://www.reddit.com/r/Watches/comments/9m13o3/casio_w800h_with_countdown_timer_mod/

Видео [mod] Casio W800-H Countdown Timer Modification канала obso1337