Hamilton pocket watch serial number dating

Tips for looking up your watch How to Find Info About Your Pocket Watch 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 Hamilton Watch Lookups

Here are a few tips to find information about your pocket watch: Always input the serial number from the pocket watch movement the "guts" of the watch. Never use the serial number from the case or any other part. If the serial number includes a letter, enter it along with the number when using the lookup feature.


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Many pocket watch case backs screw off. Others may require a dull wide blade to pry or pop the cover.

Hamilton pocket watch, circa 1907, 17j, 18s. Runs strong, serviced 2010.

Be careful not to scratch or damage the movement. Always select the correct manufacturer, which is usually stamped 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. Understand that many companies did not keep accurate or complete records. As a result, information displayed on this site may have inaccuracies.

Hamilton Pocket Watch Serial Numbers

This is to be expected, and we have included an option to report inaccurate information on the result pages so the database can be continually improved. Independent Ingersoll International J.


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Goddard Luther Goddard M. Waltham, Mass Union W.

In fulfilling the railroads' requirements for accuracy, it also filled the needs of the general public for a timepiece of high quality. Miller, vice-president, left Lancaster to become its general manager.

Brief History: Hamilton Watch Company

Trademarks of the E. Howard Watch Company were acquired by Hamilton in Although never extremely active in the manufacture of "Howard" watches, Hamilton has produced small quantities under this brand name. American soldiers during World War I preferred the smaller size and convenience of the wristwatch to the "old-fashioned" pocket watches. This trend caused a major shift in American watch production, with a new emphasis on producing wristwatch models for both men and women.

During World War II, Hamilton ramped-up production of several models of chronometer to meet the US Armed Forces particularly the US Navy's need for an extremely accurate timepiece which could be used for navigation at sea.

Including Hamilton Watch Serial Numbers and Production Dates

Prior to WWII, such highly accurate instruments were only produced abroad. The first Hamilton chronometers were delivered to the Navy in February , and at their peak Hamilton was making chronometers per month! Based on the super-reliable B with Elinvar hairspring and mono-metallic balance, the Mod 23 adds a chronograph mechanism, making it one of the most complicated watches produced by Hamilton. Hamilton has always been on the forefront of horological innovation. The Elinvar hairspring was patented in and used in all movements thereafter.

The name Elinvar was derived from the term "Elasticity Invariable" and was the first alloy to resist the changes in elasticity that occur with changes in temperature. In January , Hamilton introduced the world's first electric wristwatch, a breakthrough for the industry and the first basic change in portable timekeeping since the early 16th century. Powered by a tiny 1.

Hamilton Pocket Watch Serial Numbers Lookup: Identification, Value, & Database

The electric current necessary to operate one watt bulb for one minute could run an electric watch for 20 years. The Hamilton Electrics featured not only a revolutionary movement design, but also were known for their avant garde styling, making them among the most collectible watches today. Also during the mid-fifties Hamilton embarked on a program of expansion and diversification.

As a result, the company produced watches under three brand names — Hamilton, Vantage and Buren — in six plants in this country and abroad, manufactured sterling and plated silverware, fabricated and processed rare and exotic metals, and produced mechanical and electronic measuring devices and components. Hamilton also produced rocket fuel alloys, special metals for the Apollo program, missile timers and safety and arming devices for military applications.

Hamilton continued to produce some of the finest American watches until , earning them the distinction of being the only American watch company to survive global competition will into the 20th century. They truly represent the pinnacle of American watchmaking.

Hamilton Watch Company

If you own a modern, battery-powered quartz Hamilton Watch, you should know that it has no connection to the original Hamilton Watch Company. Watches bearing the Hamilton name can still be found today, but the brand is now owned by the Swatch Group, one of the largest Swiss watch conglomerates. Any Swatch service center can perform repairs on your modern Hamilton watch. Be sure to use the serial number on the movement the works of the watch.

Do not use the serial number from the watch case. Click here for an explanation and example of how to use our serial number tables. Need help finding the serial number on your watch? Click here for instructions on how to identify and open most common case types.