I have no freaking clue but my watchmaker always talks about there being a "super 72". He claims it's superior to the,,,I guess I'll refer to as the base 72?,,,so, maybe this has some something to do with, that? Sry for being completely unhelpful.
I don't know. But you can find Dr. Ranfft's theory in this thread: http://forums.watchuseek.com/f11/va...rk-936099.html#/forumsite/20758/topics/936099