A Dayto Vintage is a superb Chrono, and if you go for a PN dial, it may even be sublime.
Or a superbly patined dial, as our friends at the rolex forum have.
But, there is no reason to neglect the 4 ATM, less prestigious than the Rolex Dayto ( I mean, less known ), but not less interesting, and as you said, its 41 mm size may be a serious pro, at the moment of the final choice, as well as its reasonnable price.
As for the Duomètre, and the Amvox II, we're 100 % on the same line...
And twice more than once, I fear...
Best,
Nicolas