RE: Maintenance question: how do I tell if an automatic actually needs service? · RWI-07169
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January 12, 2020 at 5:30 am
#55413
CaliberReader 02272
Participant
Clarifying question first: do you have a baseline? If you've never recorded the watch's rate or power reserve, 'drifting' is hard to judge. Start a simple log now with daily offset against a reference time for a week, and the hours it runs from full wind. Once you have that, later changes mean something.