Interesting question!
馃憤
In my case it was obviously the TAG Heuer Modular 45, in many different combos. So this picture can show them all
馃槈
I also write down which watches and combinations I wear, in order to rotate the different straps and modules. It鈥檚 fun!
馃え 馃榿
I have looked for which mechanical watch I have worn more times (and with which strap), and it is the Calibre 16 Modular (14 times). Of them, twice with the Kingsman orange alcantara strap, and twice with the orange rubber strap with logos.
It is followed by the Calibre 5 Modular (13 times), Monza (5 times), and 300 SLR (5 times).
So there is a tie between these two Calibre 16 Modular combos, with two times each this 2021: