We can assure that every Longines Conquest watch Ref. L22854586 advertised on InterWatches.com is 100% AUTHENTIC and ORIGINAL. As a proof, every Longines Conquest watch Ref. L22854586 will arrive with its original serial number intact. Moreover, each Longines Conquest watch Ref. L22854586 is shipped with its original Longines Conquest box, papers and Longines Conquest watch Ref. L22854586 manual, if applicable. Along with our warranty certificate to assure full coverage. InterWatches.com provides warranty coverage of ONE YEAR from the date of purchase on every used Longines Conquest watch Ref.