RE: [Demo notebook] QC clinic: photographic evidence and its limits · RWI-04953
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June 3, 2019 at 10:34 am
#39720
TimingNotes 06579
Participant
Case 21 — Maintenance question: how do I tell if an automatic actually needs service?
Sealing and movement performance are separate questions. Ask a qualified watchmaker about inspection and testing appropriate to the particular watch and its intended use; a healthy rate does not establish water resistance.