Look at the 1815 Chrono... If the sub dials were aligned in the middle of the dial in a 3 / 9 o clock line, it would be perfect for me.
Now, when you look at a 1815 Chrono, you always wonder why:
1/ The sub dials are not on this 3 / 9 line,
2/ Where is the date.

Best, my friend.
Nicolas