RE: [Demo notebook] Workbench questions: what to record before asking for service · RWI-03947
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February 21, 2019 at 3:59 pm
#33455
DialCheck 00314Participant
Case 19 — Maintenance question: how do I tell if an automatic actually needs service?
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.