![]() ![]() Developments in the 2010s include smartwatches, which are elaborate computer-like electronic devices designed to be worn on a wrist. ![]() Historically, this is called the quartz revolution (also known as quartz crisis in Switzerland). ![]() By the 1980s the quartz watch had taken over most of the market from the mechanical watch. In the 1960s the electronic quartz watch was invented, which was powered by a battery and kept time with a vibrating quartz crystal. During most of its history the watch was a mechanical device, driven by clockwork, powered by winding a mainspring, and keeping time with an oscillating balance wheel. Watches were developed in the 17th century from spring-powered clocks, which appeared as early as the 14th century. A pocket watch is designed for a person to carry in a pocket, often attached to a chain. 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 of bracelet. It is designed to keep a consistent movement despite the motions caused by the person's activities. A modern wristwatch featuring solar charging and Bluetooth capabilitiesĪ watch is a portable timepiece intended to be carried or worn by a person. ![]()
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