These rare South American Made bracelets are authentic, certified by Rolex Geneva and made entirely under Rolex specifications and authorization. Identified by the “curved” Rolex coronet on the clasp as well as the “D’A” stamp inside the clasp. The D’Agosto bracelets were manufactured in South America under license for Rolex due to import tax reasons and carry the D’A stamp to indicate the maker, D’Agosto. K18 stands of 18 karat gold