RE: [Demo notebook] QC clinic: photographic evidence and its limits · RWI-18141
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January 29, 2023 at 10:35 am
#145000
TimingNotes 01859
Participant
Case 9 — Maintenance question: how do I tell if an automatic actually needs service?
A sudden rate change has several possible causes. Ask a watchmaker to test suspected magnetism rather than diagnosing it from a compass or attempting an adjustment based on forum replies.