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Negus Marine Chronometer "Click" to Login or Register 
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Although I am primarily a pocket watch person, I am sometimes afflicted with chronmeter mania. This is my latest acquisition. I am not sure when it was made or who made the movement for the Negus brothers. If you take a good look at the balance wheel you can see what is called a Kullberg auxiliary balance.

 
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Dial

 
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Movement.

 
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Balance Wheel.

 
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A well cared for chronometer should hold a rate of plus or minus one second a day. They would have been used on ships for purposes of navigation.
 
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