The 5513 and Connery’s 6538 are connected by lineage and therefore are superficially pretty similar, but to an aficionado, there are dissimilarities. For one, the 5513 was hardly ever CSOC certified, which means it didn’t formally qualify as obtaining Swiss timekeeping precision and accuracy. Courtesy What else could Porsche Style https://www.watchesworld.com/from-sean-to-daniel-tracing-the-evolution-of-james-bonds-iconic-watch-collection/