<page_title> List of most expensive watches sold at auction </page_title> <section_title> Auction houses </section_title> <table> <cell> Christie's <row_header> Ranking range </row_header> </cell> <cell> Phillips <row_header> Ranking range </row_header> <row_header> Christie's </row_header> </cell> <cell> Antiquorum <row_header> Ranking range </row_header> <row_header> Christie's </row_header> <row_header> Phillips </row_header> </cell> <cell> Sotheby's <row_header> Ranking range </row_header> <row_header> Christie's </row_header> <row_header> Phillips </row_header> <row_header> Antiquorum </row_header> </cell> <cell> Poly Auction <row_header> Ranking range </row_header> <row_header> Christie's </row_header> <row_header> Phillips </row_header> <row_header> Antiquorum </row_header> <row_header> Sotheby's </row_header> </cell> </table>
The five auction houses that have sold watches Christie's, Phillips, Antiquorum, Sotheby's, and Poly Auction.