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RE: [Demo notebook] QC clinic: photographic evidence and its limits · RWI-05273

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July 6, 2019 at 4:58 am #41817
ServiceLedger 08676
Participant

Case 25 — 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.