Seem from these articles a Patek Philippe Perpetual Calendar from 1944 that belonged to Egyptian King Farouk sold for a record amount ($750 thousand). A 1972 Rolex GMT was also sold for $130 thousand.

http://gulfnews.com/business/sector...-for-dh3-3-million-at-dubai-auction-1.2193494

http://english.alarabiya.net/en/var...-Rolex-watch-sold-in-competitive-auction.html