I have asked myself these questions too at some point in time. Here are my answers.
How do you define a watch collector?
What truly makes you a collector?
Must you have certain watches to be considered a collector?
How do I start a collection?
Find the one that makes you tickle and buy it.
From where to buy?
All the images are taken from brand sites or private sites of collectors and have the original link in the description. I would like to thank to the original sites, owners and companies for the images.