Wristwatch Chronometers
how accurate must a wristwatch be before it can be called chronometer?
Here is some information about chronometer watches:
http://en.wikipedia.org/wiki/Chronometer_watch
It seems any timepiece must be accurate enough to be used as a time standard before it can be called a chronometer.
Hughes Aviator Chronograph Wristwatch – Watch Komrade Show
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The Mastery of Time: A History of Timekeeping, from the Sundial to the Wristwatch: Discoveries, Inventions, and Advances in Master Watchmaking $71.47 … |
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Wristwatch Annual 2011: The Catalog of Producers, Prices, Models, and Specifications $22.57 … |
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Wristwatches $19.42 … |
