My watch is around 2 secs slow daily when fully wound. I wear it about 15 hours a day and am fairly active during the day (I work as a server so always on the move). I check my watch timing once every couple weeks and when I find it's gained a minute instead of losing time, I give it a wind. I usually don't reset the time since I'll lose 2 secs a day for a while after that.
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