The 5513 and Connery’s 6538 are associated by lineage and therefore are superficially really very similar, but to an aficionado, there are variances. For just one, the 5513 was hardly ever CSOC Qualified, which suggests it didn’t formally qualify as getting Swiss timekeeping precision and accuracy. Courtesy Why It’s Notable: https://www.watchesworld.com/from-sean-to-daniel-tracing-the-evolution-of-james-bonds-iconic-watch-collection/