I do hope watchmakers start to integrate "computational" (instead of temporal) complications into their watches, like a mechanical turing machine or other tiny mechanical computers or calculators which I believe have never been constructed this small.
Inspiration:
Wooden Turing Machine: https://youtube.com/watch?v=vo8izCKHiF0
Curta Calculator: https://youtube.com/watch?v=ZDn_DDsBWws
Zuse Z1 Computer: https://youtu.be/R5XnuT6ZLKg?t=283
Maybe also analog ones!: https://youtube.com/watch?v=s1i-dnAH9Y4