The 5513 And Connery’s 6538 are connected by lineage and they are superficially pretty similar, but to an aficionado, there are actually distinctions. For 1, the 5513 was in no way CSOC Accredited, meaning it didn’t officially qualify as having Swiss timekeeping precision and accuracy. Courtesy Why It’s Notable: Titanium https://www.watchesworld.com/from-sean-to-daniel-tracing-the-evolution-of-james-bonds-iconic-watch-collection/