Its a good deal if all goes well I guess. I believe that watch would retail for just over $5k U.S., so its basically half price. You have to take in to account the risk factor involved. Whenever buying on the net, there is always the chance that you will be scammed. The seller holds the cards, so you have to send money first. What if the watch arrives DOA, or not as described.
It may be a good price, but its a lot of money to send to a first time seller.