Originally Posted by MichaelP

Go Rolex and nothing else. Some other very nice brands will hold some value but don't have enough demand for pre-owned to get the value increase.

The Rolexes you buy today at let say 6-7K$ will retail 9-10 in few years, so you might be able to resell for a profit at at worst for the same price you paid if you took good care of them.