If serical number records are available for your watch, here's how to use them: You will notice that there are many numbers stamped at various locations inside and outside your watch. It will NOT tell you the actual date the watch was acquired If there are some letters incoroporated in the serial number common with Hamilton and Elgin your watch was probably made AFTER the last date on the chart.
If there is no two symbols, it could be that your watch was made before The gruen watch dating is very simple. The code was usually stamped on the back of the watch case. For exabple, If you have a Bulova watch with the stamp M3 then it was made in Quite often it comes right down to what the watch looks like.
Identification information on YOUR VINTAGE GRUEN watch! Rare historical documents, books, pictures, serial numbers, dating methods. "All Gruen, All the. There is a new tool available to Gruen watch collectors that can accurately date your watch! My research pal Barry and I have spent many. The Gruen Watch Company was formerly one of the largest watch manufacturers in the United The date is actually the founding date of the Columbus Watch Company, and the date is actually the year that Dietrich Gruen's first.