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WALTHAM Premier pocket watch Vanguard Model 1908 16s 23j 10k Gold Filled circa 1943 Made in USA During World War II Waltham was an important contractor for the American military, producing timepieces for service personnel and timing devices for military ordinance, such as bombs and torpedoes, with the company's Waltham, Massachusetts factory ...
The Waltham Model 1857 is a watch made by the American Watch Company, later called the Waltham Watch Company in Waltham, Massachusetts. The Model 1857 was first made in 1857. Prior to that year, pocket watches were not made of standard parts and repairing and making the watches was difficult and expensive. The American Watch Company created and ...
Waltham model 1899 pocket watch movement Movement of a gold Elgin pocket watch, c. 1919. Pocket watch movements are occasionally engraved with the word "Adjusted", or "Adjusted to n positions". This means that the watch has been tuned to keep time under various positions and conditions. There are eight possible adjustments: Dial up; Dial down
Waltham Watch Company. pocket watch. Georg Friedrich Roskopf (1813–1889), German watchmaker, La Chaux-de-Fonds, Roskopf escapement. Matthäus Hipp (1813–1893), German clockmaker, Bern, electric precision pendulum clock. Edward Howard (1813–1904), American watchmaker and manufacturer, Waltham Watch Company, pocket watch.
The Model 23 was a 16-size chronograph pocket watch. The Model 4992b was in a 16-size case with a black dial. It was used as the pocket watch for the U.S. military, featuring a less accurate 21-jewel railroad grade movement. [citation needed] By 1970, 13,086 Hamilton Model 21 Marine Chronometers had been produced.
The American Watch Tool Company is a historic factory complex at 169 Elm Street in Waltham, Massachusetts. The company was founded in 1877 as a spin-off from the successful American Watch Company, and was used for the production of watchmaking tools until 1904. The four-building complex traces the evolutionary history of this business.
It was bulky and tall, and made pocket watches unfashionably thick. [14] If the mainspring broke and had to be replaced, a frequent occurrence with early mainsprings, the fusee had to be readjusted to the new spring. If the fusee chain broke, the force of the mainspring sent the end whipping about the inside of the clock, causing damage.
The factory was moved to Waltham, Massachusetts around 1857 and named the Waltham Watch Company. [3] [page needed] The basic design of this watch was used for several years as the 1857 model Waltham. [citation needed] Applying armory practices to the manufacturing of watches carried both opportunity and risk for the Waltham Watch Company.
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