RE: [Demo notebook] QC clinic: photographic evidence and its limits · RWI-03829
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February 9, 2019 at 7:37 pm
#32539
Participant
Case 27 — 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.