394.00EGP
115.00-
Lowest Price 39.00
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Highest Price 394.00
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Recent Price Raise 242.6%
394.00EGP
115.00
Leather Watch - Brown |
394.00 EGP |
Buy Now | ||
Miyoko Leather Watch - Brown |
490.00 EGP
|
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Leather Watch - Brown |
394.00 EGP |
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Leather Watch - Brown |
394.00 EGP |
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Ibso S3803G Leather Watch - Brown |
1,000 EGP
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Casio MTP-V001GL-9B Leather Watch - Brown |
1,869 EGP
|
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Casio MTP-1314L-7AVDF Leather Watch - Brown |
2,359 EGP
|
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FOSSIL Wakefield Chronograph Leather Watch - Brown CH2944 |
8,299 EGP
|
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A quartz clock is a clock that uses an electronic oscillator that is regulated by a quartz crystal to keep time. This crystal oscillatorcreates a signal with very precise frequency, so that quartz clocks are at least an order of magnitude more accurate than mechanical clocks. Generally, some form of digital logic counts the cycles of this signal and provides a numeric time display, usually in units of hours, minutes, and seconds. The first quartz clock was built in 1927 by Warren Marrison and J. W. Horton at Bell Telephone Laboratories. Since the 1980s, when the advent of solid-state digital electronics allowed them to be made compact and inexpensive, quartz timekeepers have become the world's most widely used timekeeping technology, used in most clocks and watches, as well as computers and other appliances that keep time.