Hamilton pocket watch dating, recent hamilton watch lookups
Hamilton Watch Company
Prior to WWII, such highly accurate instruments were only produced abroad. The Pocket Watch Database has compiled data covering the major American pocket watch manufacturers and created an easy way to find information using the serial number on the watch movement.
If the manufacturer is not listed on the site, you may have a "private label" watch or it may not be American-made. Do not use the case number.
It's the pocket adjustment and the temperature adjustment that sets this watch apart from many dating coach phoenix made in the 's. My Collection Login Join for Free. Using a precision scale to fit watch screws to a balance. The Elinvar hairspring was patented in and used in all movements thereafter.
Including Hamilton Watch Serial Numbers and Production Dates
Please don't use our text and images without permission! Don't have an account yet? The little weights on the balance wheel are an important part of that adjustment. InGeneral Ulysses S. The Pocket Watch Database has compiled data covering the major American pocket watch manufacturers and created an easy way to find information using the serial number on the watch movement.
Recent Watch Lookups
All watches of a particular model had the same case style though the material may vary, i. Is it really a Hamilton?
Enter the serial number from the pocket watch movement below. First, establish that the watch is, in fact a Hamilton.
Other Pages of Interest
Use our new dating size guide to find the proper fit. Use our new crystal size guide to find the proper fit.
Franklin, John Sener, John C. The 6 positions are: Understand that many companies did not keep accurate or complete records.
Signed crowns can also be useful. Do not use the case number.
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