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RE: [Demo notebook] QC clinic: photographic evidence and its limits · RWI-02313

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September 10, 2018 at 3:43 am #21673
CaliberReader 08532
Participant

Case 33 — 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.