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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
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The trench watch (wristlet) is a type of watch that came into use by the military during World War I, as pocket watches were not practical in combat. It was a transitional design between pocket watches and wristwatches , incorporating features of both.
Pocket watch with gears labelled. The going train is the main gear train of the timepiece. It consists of the wheels that transmit the force of the timepiece's power source, the mainspring or weight, to the escapement to drive the pendulum or balance wheel. [4] The going train has two functions.
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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 ...
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A pocket watch is carried in a pocket, often attached to a chain. A stopwatch is a watch that measures intervals of time. During most of their history, beginning in the 16th century, watches were mechanical devices, driven by clockwork, powered by winding a mainspring, and keeping time with an oscillating balance wheel.