Gray & Sons Jewelers, located in Miami near Bal Harbour Shops in Surfside/Miami Beach on Harding Ave., specializes in fine pre-owned watches and estate jewelry. We offer the finest used jewelry and watches, serviced by our Swiss-trained watchmakers with decades of experience. We buy, sell, trade, consign, and repair watches and GIA diamond engagement rings, wedding bands, diamond studs, necklaces, bracelets, pins, earrings, and loose diamonds. Gray & Sons has been in business since 1980, offering the best wristwatches in the luxury watch market such as Rolex, Cartier, Patek Philippe, Omega, Breitling, IWC, & Panerai. Besides watch cleaning/overhaul, grayandsons.com offers watch battery replacement, watch polishing, and jewelry repair.