Heritage Auctions Location: New York, NY The Fletcher-Sinclair Mansion 2 East 79th Street New York, NY 10075 Auction Dates: Tuesday, May 3, 2011 The May signature timepiece auction contains a wonderful variety of horological types and styles. There are numerous vintage wristwatches by Rolex, sophisticated models by Breitling, LeCoultre, Panerai, and Patek Philippe among many others.