Oh yes of course but most of them are astronomical in price and available only in auction house.
However it reminds me of some missed opportunities.
When I got my first Rolex, a explorer white face, imagine the surprise when I got an offer for it (with afew hundred extra) when I walk out of the watch shop. At that time it was the the hot watch with everywhere no stock.
Another time was offered a Patek 5000 (very rare) at a very good price but did not make the decision on the spot, went back the next day and it was sold. Later found out the owner made a hafty $10k selling it in 2 months time. If he had kept it it would have been even more now.
I advise to buy what you will ware and ware them but not solely for investment.