I'm not a big collector myself but have a few watches that I like and they are not necessarily expensive, I think collecting anything is the individual sentimental value first (for me at least) and for some, it's what's going in the market in term of history of the particular collection (it could be anything and not only collecting watches), but somehow after the few sentimental items people start with the more valuable items which are by default cost much more money, so I think collection is mixed of some watches (in our case) emotional value and other items with monetary value. I like the Bambino and in my experience with Casios, which I had two in the past. They have served me well (I've bought them new at the time) but the cases ended up falling apart because of cheap material I guess and the plastic just dried and fell apart like breadcrumbs. Also, it is possible that through the years you may sell some of your current collection and acquire other watches as your taste and knowledge develop. As for now enjoy it and don't feel bad about it.