RE: [Demo notebook] Collector’s comparison desk: dimensions, fit and documented differences · RWI-05338
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July 14, 2019 at 2:24 am
#42674
CaseFile 09533
Participant
Case 32 — 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.