Masahiro Kikuno, a Japanese independent watchmaker, made a single piece [1] of a wristwatch design that displays wadokei time for a contest. I wonder if he used a similarly shaped gear, and can only imagine his piece (made in 2011) was inspired by the 2004 reverse-engineering of this clock.

[1] https://www.masahirokikuno.jp/watches/temporal-hour-watch/