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In nearly all quartz clocks and watches, the frequency is 32 768 Hz, [1] and the crystal is cut in a small tuning fork shape on a particular crystal plane. [2] This frequency is a power of two ( 32 768 = 2 15 ), just high enough to exceed the human hearing range , yet low enough to keep electric energy consumption , cost and size at a modest ...
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 ...
The watches could be produced by a subsidiary of their own in Switzerland or they could assemble the watches domestically. [2] The first Wittnauer's watch line was crafted starting from 1880, but the Wittnauer brand was formally established 1888 when Wittnauer took over Eugene Robert’s company and renamed it the "A. Wittnauer Company". [3]
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In 2010, Miyota (Citizen Watch) of Japan introduced a newly developed movement that uses a 3-pronged quartz crystal that was exclusively produced for Bulova to be used in the Precisionist or Accutron II line, a new type of quartz watch with ultra-high frequency (262.144 kHz) which is claimed to be accurate to +/− 10 seconds a year and has a ...
Bulova failed to successfully market the newer quartz watch. Quartz watches were battery-powered and used a vibrating quartz crystal instead of an internal tuning fork, like the Accutron. [2] This gave the quartz watches greater timing accuracy. [2] The Bulova Watch Company began to lose money in the 1970s. The company reported a loss in 1975. [2]
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