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The first watch made under the Hamilton name was an 18-size 17-jewel pocket watch in 1893. During Hamilton's first fifteen years, only two size movements were produced – the 18-size and the smaller 16-size. [3] The company's first series of pocket watches, the Broadway Limited, was marketed as the "Watch of Railroad Accuracy," and Hamilton ...
Later, Hamilton Watch Company, Illinois Watch Company and many of the other American watch manufacturers all produced railroad-grade watches like the Ball Watch Company. The Time Signal Service of the United States Naval Observatory was used to ensure accuracy of railroad chronometers and schedule American rail transport. [6]
MIL-W-46374 is a specification first published on October 30, 1964, [1] for US military watches. [2] The 46374 was specified as an accurate, disposable watch. In its span, it encompassed metal and plastic cased watches with both mechanical and quartz movements. [2] The 46374 replaced the MIL-W-3818, reducing cost and inheriting the dial from ...
The more accurate pocket watches continued to be widely used in railroading even as their popularity declined elsewhere. Quartz pocket watches are available in the present day, retaining the form and function of the original pocket watches while using a quartz crystal as opposed to the traditional fully-mechanical movement.
The Hamilton Watch Company would be the first to produce and retail an electric watch beginning in 1957, [1] before the commercial introduction of the quartz wristwatch in 1969 by Seiko with the Astron. Their timekeeping element was either a traditional balance wheel or a tuning fork, driven electromagnetically by a solenoid powered by a ...
Many of these are very similar to watches made at the time by the Hamilton Watch Company. Some Illinois 12/0-size 207 movements were finished with the Hamilton name and used in the 401 series of Hamilton wrist watches, which premiered in 1934 and were named after famous explorers including Stanley, Livingstone, Byrd, and others.