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RE: [Demo notebook] QC clinic: photographic evidence and its limits · RWI-00405

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February 28, 2018 at 3:35 am #6955
DialCheck 03814
Participant

Case 31 — Timegrapher reading context: what do rate, amplitude and beat error actually tell me?

The reported numbers alone do not establish damage or the need for service. Confirm the setup, collect comparable readings and ask a watchmaker to assess a concerning or changing pattern.