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Discussion Starter · #1 ·
Hi Everyone

Can anyone tell me about their Grand Seiko Hi-Beat?
What kind of Accuracy does it have
How does it hold up to various Temperatures, 20 to 90 Degrees F

Thanks''

Traintime
 

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If you are referring to brand new GS, their accuracy is second to none as far autos or mechanicals goes. A search on this forum will lead you to the thread on the Grand Seiko standard. Vintage GS High Beats timing accuracy are subject to condition of individual care and maintenance.
 
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