Unique Woman Quartz Watch !!!
Stylish design:Hollow out musical note style dial, unique elegant and stylish.
Display: Analog, quartz movement for accurate time keeping
Quality Guarantee:PU leather band, cost effective.
Comfortable to wear. Fit for most size of wrist.
Excellent Valentine’s Gift , good gifts for lovers.
Just click the “Add To Cart” Button Below! There’s a very limited stock, and they will go soon!
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Quartz clock Facts
A quartz clock is a clock that uses an electronic oscillator that is regulated by a quartz crystal to keep time. This crystal oscillator creates a signal with very precise frequency, so that quartz clocks are at least an order of magnitude more accurate than good 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. Since the 1970s, they have become the most widely used timekeeping technology.
First European quartz clock for consumers “Astrochron”, Junghans, Schramberg, 1967 (German Clock Museum, Inv. 1995-603)
First quartz wristwatch movement, used in the Seiko Astron, Caliber 35A, Nr. 00234, Seiko, Japan, 1969 (German Clock Museum, Inv. 2010-006)
Basic quartz wristwatch movement. Bottom right quartz crystal oscillator, left button cell watch battery. Top right oscillator counter, top left the coil of the stepper motor that powers the watch hands.
Picture of a quartz crystal resonator, used as the timekeeping component in quartz watches and clocks, with the case removed. It is formed in the shape of a tuning fork. Most such quartz clock crystals vibrate at a frequency of 32,768 Hz.
The first Swiss quartz clock, which was made after WW II (left), on display at the International Museum of Horology in La Chaux-de-Fonds.
A quartz clock hung on a wall.
Four precision 100 kHz quartz oscillators at the US Bureau of Standards (now NIST ) that became the first quartz frequency standard for the United States in 1929. Kept in temperature-controlled ovens to prevent frequency drift due to thermal expansion or contraction of the large quartz resonators (mounted under the glass domes on top of the units) they achieved accuracy of 10−7, roughly 1 second error in 4 months.
Kenton Jerde –
Seller zipper shipping 11 ordered 13 came thank you very much seller
Caden Kunze –
So far so good. Some reviews did not hold up over time. Cheap but works great.
Randy Barrows –
Service was fantastic. Response to questions was fast.
Desmond Romaguera –
Thank you for good product and fast delivery.
Craig Hansen –
Received within 2 weeks, perfectly packaged, came with no damage. I’m very satisfied and recommend.
Loyal Gutkowski –
Staffs are extremely busy, but still keep a pleasant approach
Urban Keebler –
Ship faster than I expected with sturdy packaging. Love it!
Darrick Kuphal –
Tested the goods after it arrived in a short time, everything is fine. Worth the money.
Orrin Nitzsche –
Thanks for shipping it quick. Everything arrived neatly packed without damage.
Dominic Leuschke –
Terrific product at a reasonable price. Super fast shipping!
Jameson Stracke –
Thank you very much to the seller for such a convenient version of the goods as a gift
Camren Hills –
Received the package in perfect condition
Verner Halvorson –
Still not tested, but liked came well packed, recommend the seller
Keith Sawayn –
Service was efficient.
Tyler Beatty –
Super fast shipping! I am SO impressed!!!
Wilhelm Schaefer –
Satisfied with the products, everything is good, safely packaged, came later than I expected
Payton Lockman –
Received within 2 weeks, perfectly packaged, came with no damage. I’m very satisfied.
Lambert Kuvalis –
Thank you, the seller, for the work done, and great conversation with me
Jaren McDermott –
Thank you. Packed decently puffy plus bag
Korey Gottlieb –
Sooo beautiful packaging. I love it at first sight
Webster Dietrich –
Thank you. Excellent service. the seller is responsive. All Super advise both shop and seller .. all at a high level
Doyle Oberbrunner –
So far so good
Roel Marquardt –
Received the goods quite quickly, quality corresponds to description.
Vidal Conroy –
thank you, seller…its perfect…fast shipping and accurate as the item description. Cheap price in gereral
This product is great!
Emmitt Smith –
Well protected and packaged. Everything just like the publicity photos.