What time is it? Watches and horology

Some more info and examples here:

https://www.bobswatches.com/rolex-blog/w­atch-review/blog-1-2014-6-30-why-there-a­re-long-lines-at-3-6-9-on-vintage-chrono­graphs.html

This is cool.

This is why I think the zenith sport chronograph missed a trick. Who cares about 10seconds! In my life, around 10 mins is important. How long to boil and egg? Done. The egg timer chronograph!