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  2. Bulova - Wikipedia

    en.wikipedia.org/wiki/Bulova

    In 2010, Bulova introduced the Precisionist, a new type of quartz watch with a higher frequency crystal (262 144 Hz, eight times the industry standard 32 768 Hz) which is claimed to be accurate to ±10 seconds per year (0.32 ppm) and has a smooth sweeping seconds hand like automatic watches rather than the typical quartz watch seconds hand that ...

  3. List of ETA Movements - Wikipedia

    en.wikipedia.org/wiki/List_of_ETA_Movements

    2890 (automatic, sweep-second, 21 jewels, 28800vph, reserve 42h) 2770 (automatic, sweep-second, 17/21/25 jewels, 21600vph, reserve 46h)

  4. Miyota (watch movement manufacturer) - Wikipedia

    en.wikipedia.org/wiki/Miyota_(watch_movement...

    Miyota produces various 'standard' and 'premium' grade mechanical movements for automatic wristwatches.. The Miyota 8215 is an entry level non-hacking-earlier versions twenty-one jewel three-hand with date automatic wristwatch movement with a uni-directional winding system (left rotation) with an accuracy of -20 to +40 seconds per day, and a power reserve of over 40 hours.

  5. Time out: Bulova watches for men and women are up to 60 ... - AOL

    www.aol.com/lifestyle/time-bulova-watches-men...

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  6. Automatic quartz - Wikipedia

    en.wikipedia.org/wiki/Automatic_quartz

    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 the inconvenience and environmental impact of ...

  7. ETA SA - Wikipedia

    en.wikipedia.org/wiki/ETA_SA

    ETA SA Manufacture Horlogère Suisse (ETA SA Swiss Watch Manufacturer) designs and manufactures quartz watches and both hand-wound and automatic-winding mechanical ébauches and movements. Commonly referred to as ETA , the company is headquartered in Grenchen , Switzerland , and is a wholly owned subsidiary of The Swatch Group .

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