The 5513 and Connery’s 6538 are associated by lineage and so are superficially really similar, but to an aficionado, you'll find differences. For a single, the 5513 was never CSOC Qualified, which suggests it didn’t officially qualify as owning Swiss timekeeping precision and precision. Courtesy Why It’s Noteworthy: Titanium watches https://www.watchesworld.com/from-sean-to-daniel-tracing-the-evolution-of-james-bonds-iconic-watch-collection/