> I just wish they had more useful evolution in the last 50~100 years. Diminishing returns / asymptotic change. I think the last major advancement was the coa

> I just wish they had more useful evolution in the last 50~100 years. Diminishing returns / asymptotic change. I think the last major advancement was the coaxial escapement in the 1970s: * https://en.wikipedia.org/wiki/Coaxial_escapement https://en.wikipedia.org/wiki/Coaxial_escapement and as per a sibling comment, the spring drive: * https://www.youtube.com/watch?v=HoEorK6elZM https://www.youtube.com/watch?v=HoEorK6elZM * https://en.wikipedia.org/wiki/Spring_Drive https://en.wikipedia.org/wiki/Spring_Drive