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I have Seiko chronograph 7T92-0cc8 which I wear day and night, It has not varied by more than 1 second per year over the 5 years that I have had it.
Can anyone else beat that?
 

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I have Seiko chronograph 7T92-0cc8 which I wear day and night, It has not varied by more than 1 second per year over the 5 years that I have had it.
Can anyone else beat that?
not that I know of. Thats very impressive.
 

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Wow...that's about 20 times more accurate than the average HEQ isn't it (+/- 20s /year)? I'd think that would be impossible to beat.
 

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my citizen skyhawk, non radio, was pretty close but not quite your accuracy...that's amazing...thermo regulated movts have high accuarcy
jim
 

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my two radio controlled watches are accurate to naught seconds a year but I suspose that doesn't count :)
 

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Nice. Since your wear it all the time, the temperature of the watch likely stays pretty consistent which may help with its good performance.

I remember reading a Popular Mechanics as a kid when quartz watches were newer and it made the argument that certain quartz crystals will vibrate closer to target from the get go than others - sounds like you got one of those. Keep wearing it in good health!
 
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