History of Watch
The history of watches began in 16th
century Europe, Where watches evolved from portable spring driven clocks, which
first appeared in the 15th century. Portable time pieces were made possible by
the invention of the mainspring in the early 15th century.
Peter hele
"still a young man, fashions, works which even the most learned
mathematicians admire. He shapes many wheeled clocks out of small bits of iron,
which run and chime the hours without weights for 40 hours, writhe cried at
the breast or in a hand bag”.
A watch is a small timepieces intended to be
carried on or worn by a person. It is designed to keep working despite the
motions caused by the person's activities. Wrist watches designed to be worn
around the wrist, attached by a watch strap or other type of braced.
A pocket watch is designed for a person to carry in a pocket. Watches involved in the 17th century from spring powered clocks, Whiz appeared as early as the 14th century. During most of its history the watch a mechanical device, Driven by clockwork, powered by winding a main spring, and keeping time with an oscillating balance wheel.
In the 1960's the electronic quartz watch was invented which was powered by a battery and kept time with a vibrating quartz crystal. By the 1980's the quartz watch had taken over most of the market from the mechanical watch.
Today most in expensive and medium priced watches, Used mainly for time keeping, Have quartz movement's, Expensive collection watch, Valued more for their elaborate craftsman ship, Aesthetic appeal and glamorous design than for simple time keeping, Often have traditional mechanical movements, Even though they are less accurate and more expensive than electronic once. Various extra features, Called “complications" such as moon phase displays and the different types of tour billion, and sometimes included.
Modern watches often display the day, date, month and year,
and electronic watches may have many other functions. Compared to electronic
movements, mechanical causes are less accurate, other with errors of
seconds per day, and they are sensitive to position, temperature and magnetism.
They are also costly to produce, require regular maintenance and adjustment,
and are more prone to failures.
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