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Thank you very much Tom for taking time to answer my question and posting the link to the info. I will take a closer look at it.Serial numbers above 30 million are a bit difficult to date. The Premier series of these are from the late 1930's in my opinion.
There is a presentation on all the clocks made with the generations of this movement here on the Message Board. https://mb.nawcc.org/content.php?28-From-War-to-Boudoir
Thank you Topspin for your info. It is Ca. 1940. The clock balance spring was gummed up with oil, so I took it out and soak in lacquer thinner to clean it up. It is working very well now. It is in good shape as far as I can tell. I will see if it will run for 8 days.According to the database... https://pocketwatchdatabase.com/search/result/waltham/30622901
...it's from approximately 1940, although we usually say that that's give or take up to 3 years either side.
Hi Topspin, here is the link to the dating table.Thank you very much Tom for taking time to answer my question and posting the link to the info. I will take a closer look at it.