That having been said, I've heard people say the accuracy of that movement starts to drop when the power reserve is below 2 days
Its anecdotal as i've never seen someone put one on a timing machine but if you're super concerned with accuracy you may want to wind it once it hits 50%
I do find its usually out around 3-5min every month or so but i'd say that has more to do with the fact its the only watch i own that doesnt need the time reset before i put it on
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