Keep in mind, that it’s important to research the system of production markings specific to a brand. Different serial number systems within one brand So, their serial numbers are also available. High-end brands like Patek Philippe or Vacheron Constantin kept (and still keep) excellent records. If there are official resources, they usually make their way into the Internet and aren’t hard to look up. That would be Omega, Longines, Rolex, Zenith, etc. Usually for the ones that kept accurate records. Serial number charts are only available for a handful of manufacturers though. Sometimes they’re compiled by brand aficionados, who attempt to combine all the bits of knowledge into one resource. The first thing to check is serial number charts. In this post, I’ll focus on 16 types of clues that can help you date your watch. Sometimes this question can be answered immediately and sometimes it takes a bit more work. One of the most common questions that vintage watch collectors ask is: when was my watch made?
