The 5513 And Connery’s 6538 are related by lineage and therefore are superficially rather similar, but to an aficionado, you can find variations. For a person, the 5513 was under no circumstances CSOC certified, which means it didn’t officially qualify as obtaining Swiss timekeeping precision and accuracy. Picture Credit: Courtesy https://www.watchesworld.com/from-sean-to-daniel-tracing-the-evolution-of-james-bonds-iconic-watch-collection/