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@gridds
Is it normal for an automatic movement to vary in it's accuracy over shortish periods of time? For example, over the first month I had my watch it gained just 23 secs. Now, over the last 2 weeks it's gaining an average of about 2 secs per day. Still good, but I just wonder why the variance? Does it depend on how active I am i.e. how much winding it gets?