The 5513 And Connery’s 6538 are similar by lineage and are superficially quite identical, but to an aficionado, you will discover differences. For a single, the 5513 was by no means CSOC Qualified, which implies it didn’t formally qualify as acquiring Swiss timekeeping precision and accuracy. Courtesy Most worldtime watches https://www.watchesworld.com/from-sean-to-daniel-tracing-the-evolution-of-james-bonds-iconic-watch-collection/