Question

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1)Explain The Mystery Of Wrist Watches ?
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Answer 1

Answer:

mystery watch is a generic term used in horology to describe a watch whose working is not easily deducible, because it seems to have no movement at all, or the hands do not seem to be connected to any movement, etc.

One example is a type of mechanical watch where the movement is transmitted to the hands through a transparent crystal toothed wheel.

The first see-through watch, called in French montre mystérieuse (mysterious watch), was invented by Hugues Rime and marketed by the French firm Armand Schwob et frère. As an item of historical/horological value, it is preserved in various museum collections, such as the British Museum, the German Clock Museum, the International Museum of Horology, the Musée d'art et d'histoire de Neuchâtel, the U.S. National Watch and Clock Museum, and the Vienna Clock and Watch Museum.

Answer 2

Answer:

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 of bracelet. A pocket watch is designed for a person to carry in a pocket, often attached to a chain. The study of timekeeping is known as horology.

Watches progressed in the 17th century from spring-powered clocks, which appeared as early as the 14th century. 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. These are called mechanical watches.[1][2] In the 1960s the electronic quartz watch was invented, which was powered by a battery and kept time with a vibrating quartz crystal. By the 1980s the quartz watch had taken over most of the market from the mechanical watch. Historically, this is called the quartz revolution.[3][4] Developments in the 2010s include smartwatches, which are elaborate computer-like electronic devices designed to be worn on a wrist. They generally incorporate timekeeping functions, but these are only a small subset of the smartwatch's facilities.