Evil scenario: You are given a choice.
1. All of your watches disappear, never to be seen (bought) again - except for one which you may choose.
2. You get to keep all your watches, except the one that is most important to you - that one disappears, never to be seen (or bought) again.
In addition, monetary value can have nothing whatever to do with your choice. Imagine a world (if this isn't too painful) where no watch has any resale value at all.
So, are you going for scenario 1 or scenario 2 (and let's see some pictures of what you are giving up, and what you are keeping)... I'll start.
I'm going with scenario 2. That means I lose my original grail watch. I lusted after this for more than a year, it set me on the path to a watch box chock full of lovelies but it came first and so it is special. But I can't get rid of all the rest - special yes, that special, no!
I get to keep this lot:
But it's bye bye to my Junghans Chronoscope: