A friend of mine has some online shops for high end watches.The brands he sells: Baume&Mercier, Movado, Rado, Jaeger-Lecoultre, Blanc Pain, Bertolucci, Piaget, Bedat,Longines.
Here's one of his sites:
http://jaeger-lecoultreusa.com/
If you are interested in other brands I would be happy to give you the links.
C.