In the meantime, there’s some proof that Global distributors hated the inconsistent and infrequently illogical numbering methods of their Swiss overlords. ” As an example, should you opened a Rolex catalog inside the mid-’60s, you can’ve uncovered the next references listed future to one another: Inside this technology of Datejust https://www.watchesworld.com/a-history-of-watch-reference-numbers/