The Rapid Collapse of the Swedish Mechanical Calculator Industry
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10-07-2022, 02:00 AM
Post: #13
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RE: The Rapid Collapse of the Swedish Mechanical Calculator Industry
(10-05-2022 11:27 PM)Jim Horn Wrote: ...So I looked for the best of both and settled for the Seiko Kinetic series as an acceptable compromise between performance, robustness and price... Seiko released the "Spring Drive" movement a few years ago that's interesting as well. Like the Kinetic it's a hybrid electronic / mechanical self-powered movement, but it edges further towards the mechanical, being powered by a traditional mainspring / gear train that's regulated with an electromagnetic brake instead of balance wheel. |
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