Turn the watch face down so you are looking at the back of the watch case. Locate the two sets of numbers on the back of the case. You will see 'MOVADO Swiss Made' at the top and the numbers will be toward the bottom. The top number is the model number. On most new Movado watches, the model number will begin with 260 or 06.
Thus, there were no published lists of case company serial number vs. Also, there do not seem to be any surviving records from watch case companies linking case serial numbers to specific cases, their grades, sizes and etc., nor are there tables that relate the case serial numbers to dates.
Serial Number Production List for several U.S. Watch makes from PM Time Service Swiss Movement Identification, downloadable books by Horloger-Rhabilleur Specific Styles. Serial numbers associated with pocket watches manufactured by the Keystone Watch Case Co. Can be located on the movement of the watch and will help to.
Would someone be kind enough to provide some info about this watch case. It was made by the Philadelphia Pa Watch Co and the serial number is 9709388. I believe this is a gold filled watch case.