Word: accutrons
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Dates: during 1970-1979
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Depending on the brand of watch, these vibrations control several different mechanisms that turn the hour and minute hands. Bulova uses the electronic tuning fork developed in its Accutron watch, a battery-powered model that is just a shade less accurate than the Accuquartz; Timex employs a conventional balance wheel; Benrus, the Swiss and the Japanese use a "stepdown" motor. Linking these mechanisms to the quartz crystal is an integrated electronic-circuit chip, and U.S. electronic firms are enthusiastically moving to supply the chips to the quartz watch market. Japanese, Swiss and American watchmakers are buying theirs from such firms...
...claims to sell more than 50% of watches bought in U.S. stores. Bulova, biggest American producer of jeweled-lever watches (1969 sales: $159 million), is an increasingly tough competitor in the medium-and high-priced range. Swiss manufacturers lost their technological lead when Bulova developed the battery-powered Accutron a decade ago. The company has since sold more than 1,500,000 Accutrons and brought the price down...