Barlas Collection on Instagram: "Rolex Submariner Ref 6538 Big Crown ”four liner” This Submariner known as “Big Crown” or “James Bond” became famous on Sean Connery’s wrist while portraying James Bond in the 1962 film Dr. No. This chronometer-certified (four liner) version has an estimated 140 to 280 units produced. The dial includes two additional lines of text that read “Officially Certified Chronometer” The number of surviving watches is considerably lower than the production total due to wat