...I am not talking about what the OP asked for. I am talking about the validity of "your truth" and its basis (or lack of it) in science.
When one makes assertions as if they are fact, and when those assertions are directed as advice as if factually-driven, then it is appropriate that the assertions are examined. And that is what I am doing.
So what we can conclude is that you have very strong opinions about the size of watch that is appropriate to you. To my mind, not much more has been determined other than the fact that golden ratio is not what you were thinking about when you gave that 2/3-3/4 rule....