Quote:
Originally Posted by saxo3
Regulating a watch caliber in a well controlled laboratory environment and timekeeping on an owners wrist is NOT the same.
The achieved accuracy on a wrist depends on many individual parameters, including temperature.
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Sure, I agree and that is why I think that change of a sec or two up or down in a couple of months is not valid and nothing to worry about. I would not send my watch with that kind of variation, more then 10s per day is something to worry about