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Omega Speedmaster is a line of chronograph wristwatches produced by Omega SA. While chronographs have existed since the late 1800s, Omega first introduced this line of chronographs in 1957. Since then, many different chronograph movements have been marketed under the Speedmaster name. Astronaut Walter Schirra was the first person to wear one in ...
Pocket watch. Savonette with cathedral hands and luminescent dial made by Thos. Russell & Son (probably in the 1920’s) A golden pocket watch with hunter-case and watch chain. Pocket watches evolved from clock-watches, supposedly called Nuremberg eggs, worn on chains around the neck. Example by Peter Henlein, 1510, Germanisches Nationalmuseum ...
US Army specification 55-1B. This watch was known for its luminous hands and markers, had a seven jewel movement, an olive drab cotton strap, and a stainless steel case. It has been described as "reasonably shock resistant and waterproof". They are accurate to 30 seconds per day, and are produced by Movado, Waltham, Elgin, and Hamilton.
Watch. A watch is a portable timepiece intended to be carried or worn by a person. It is designed to keep a consistent movement despite the motions caused by the person's activities. A wristwatch is designed to be worn around the wrist, attached by a watch strap or other type of bracelet, including metal bands, leather straps, or any other kind ...
An automatic watch, also known as a self-winding watch or simply an automatic, is a mechanical watch where the natural motion of the wearer provides energy to wind the mainspring, making manual winding unnecessary if worn enough. [ 1] It is distinguished from a manual watch in that a manual watch must have its mainspring wound by hand at ...
The going train in a modern clock or watch consists of: First or great wheel attached and ratcheted to the main spring, or cable, barrel. The ratchet allows the main spring or cable barrel to be wound without turning the wheel. In horology jargon the pawl of the ratchet is called "the click". The first wheel turns the pinion of the center wheel.
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