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2. Quartz clock - Wikipedia

   en.wikipedia.org/wiki/Quartz_clock

   Quartz clocks and quartz watches are timepieces that use an electronic oscillator regulated by a quartz crystal to keep time. This crystal oscillator creates a signal with very precise frequency, so that quartz clocks and watches are at least an order of magnitude more accurate than mechanical clocks. Generally, some form of digital logic ...

3. Automatic quartz - Wikipedia

   en.wikipedia.org/wiki/Automatic_quartz

   Seiko AGS SCUBA Diver 200m 5M23-6A60, 1993. Automatic quartz is a collective term describing watch movements that combine a self-winding rotor mechanism [1] (as used in automatic mechanical watches) to generate electricity with a piezoelectric quartz crystal as its timing element. Such movements aim to provide the advantages of quartz without ...

4. Astron (wristwatch) - Wikipedia

   en.wikipedia.org/wiki/Astron_(wristwatch)

   Within one week 100 gold watches had been sold, at a retail price of 450,000 yen (US$1,250 (equivalent to $10,386 in 2023)) each (at the time, equivalent to the price of a medium-sized car). [1] Essential elements included a XY-type quartz oscillator of 8192 Hz (8192 = 2 13 ), a hybrid integrated circuit , and a phase locked ultra-small ...

5. Dialed In: Your Essential Video Guide to Quartz Watches - AOL

   www.aol.com/dialed-essential-video-guide-quartz...

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6. Tourbillon - Wikipedia

   en.wikipedia.org/wiki/Tourbillon

   Tourbillon movement (high resolution) In horology, a tourbillion (/ tʊərˈbɪljən / or tourbillon (/ tʊərbɪˈjɒn /; French: [tuʁbijɔ̃] "whirlwind") is an addition to the mechanics of a watch escapement to increase accuracy. Conceived by the British watchmaker and inventor John Arnold, it was developed by his friend the Swiss-French ...

7. Rolex Oysterquartz - Wikipedia

   en.wikipedia.org/wiki/Rolex_Oysterquartz

   Rolex Datejust Oysterquartz Ref. 17014. The Rolex Oysterquartz was a quartz watch made by Rolex. Unlike most watches, The Rolex Oysterquartz features a mechanical lever escapement driven by a simple permanent magnet moving coil motor mechanically similar to a d'Arsonval galvanometer.