I don't have a strong preference, just as long as the sub-seconds dial is NOT at 6. Frequent minute and hour hand blockage from view.
It is a matter of geometry and the seconds subdial's critical 6 - 12 axis. When at the 6 position, the minute hand will be parallel to that axis occasionally, but regularly, blocking the second hand from view. With the subdial at 9, the hands can never be parallel to the 6 -12. Of course, some of the subdial will be covered with the minute hand, and you will "lose" the second hand when the minute hand covers the 3 - 9 axis, but that is not as important given that most people want to know the exact minute vice, 15 seconds prior to the minute.Really? Please explain
Probably the worst chronograph on the market as far as blockage is concerned is IWC's new Pilot Chronograph. Super fat hands and a chrono second hand's counterweight that ALWAYS blocks the upper portion of the constant second hand. I have one.Thin hands are an absolute must for chrono legibility. I’ve seen some that at first glance are nice looking watches, but then notice the fat hands that will do a lot of subdial blocking.