Note that we're using the serial number from the watch movement, not from the watch case. Let's say you have a Waltham watch with serial number 21,607,210 as shown in the photo below. So to determine when your watch was manufactured, you will need to find where your serial number fits within the range of numbers. that would make some really long pages! Our serial number tables list RANGES of serial numbers. Many watch companies made hundreds of thousands of watches, and some companies made millions of watches! It would be impractical to list the individual serial numbers of EVERY watch made. Can't find YOUR exact serial number in our lookup tables? Most vintage Swiss pocket watches did NOT have serial numbers and can't be dated by this method. Some American watch brands did not use a consistent series of serial numbers, but most of the big manufacturers did. Not all vintage watches can be dated using the serial number. You should consult the serial number table for the specific brand of watch movement you are trying to date by selecting a company from the menu on the left. The example below uses information from the American Waltham Watch Company, but that is just an example. This page contains INSTRUCTIONS for using the serial number look-up tables that are found on many of our watch company history pages. and not sixty hour.Determine the Age of your Vintage Pocket Watch How to Use our Vintage Watch Serial Number & Date Lookup Tables Instructions for using our serial number look-up tables Here from April 1925 is the center spread two pages showing the now factory cased 16s Bunn Special. It is typically the length of the pendant that can help date the case, pendants became shorter later in time. There were also Wadsworth cases identified inside as Railroad Model with 'medium' pendant cases. We still have zero information from the OP in regards to the serial number of his example nor any info on his RR case. and also examine the straight line signature dial. as always, click the image to enlarge.Įarlier advertising shows a longer pendant case. It is only a couple of months later where the advertising begins for Factory Cased Bunn Special watches, before even the sixty hour examples were introduced. The ad I do not believe is specific this is a factory cased watch. just depends on whom you mean as 'they'.įebruary 1925 begins an advertising campaign, this ad shows Bunn Special in a 'medium pendant' antique bow case.

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