Nothing else.
It can be its coolness, its refinement, its originality, its history, its charm, its eccentricity,it doesn't matter, because any of these reasons is a good reason.
Don't forget that I am attracted by both vintage and modern watches, so the playground is vast, but each time I buy a Watch because of THE Watch, not all the reasons which may " surround " the Watch.
Aaah, there are also the reasons I don't buy a Watch, and in this case, a brand, a watchmaker are to be mentionned.
Best,
Nicolas