RE: [Demo notebook] QC clinic: photographic evidence and its limits · RWI-19445
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June 10, 2023 at 7:01 am
#156281
ReferenceLog 03140
Participant
Case 1 — 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.