RE: [Demo notebook] Reference notebook: corrections and recurring beginner questions · RWI-10924
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January 29, 2021 at 12:30 am
#86969
PartsReader 03828
Participant
Case 26 — 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.