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During the First Boer War, the importance of coordinating troop movements and synchronizing attacks against the highly mobile Boer insurgents became paramount, and the use of wristwatches subsequently became widespread among the officer class.The company Mappin & Webb began production of their successful "campaign watch" for soldiers during the campaign at the Sudan in 1898 and accelerated production for the Second Boer War a few years later.

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A watch is a timepiece intended to be carried or worn by a person.

It is designed to keep working despite the motions caused by the person's activities.

Some watches use radio clock technology to regularly correct the time.

Developments in the 2010s include smartwatches, which are elaborate computer-like electronic devices designed to be worn on a wrist.

Various extra features, called "complications", such as moon-phase displays and the different types of tourbillon, are sometimes included.

Modern watches often display the day, date, month and year, and electronic watches may have many other functions.

A wristwatch is designed to be worn around the wrist, attached by a watch strap or other type of bracelet.

A pocket watch is designed for a person to carry in a pocket.

This innovation increased watches' accuracy enormously, reducing error from perhaps several hours per day resulting in the addition of the minute hand to the face from around 1680 in Britain and 1700 in France.

The increased accuracy of the balance wheel focused attention on errors caused by other parts of the movement, igniting a two-century wave of watchmaking innovation. The verge escapement was replaced in quality watches by the cylinder escapement, invented by Thomas Tompion in 1695 and further developed by George Graham in the 1720s.

Watches progressed in the 17th century from spring-powered clocks, which appeared as early as the 14th century.

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