Christie’s sets auction record for 2010 with $91 million in watch sales. The top ten watches sold were Patek Philippe time pieces. The number one spot was held by Patek Philippe reference 1527, perpetual calendar chronograph from 1943 which sold for $5.7 million.
http://www.watchtime.com/2010/12/christies-2010-watch-sales-highest-ever-at-91-million/