RE: [Demo notebook] QC clinic: photographic evidence and its limits · RWI-28293
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November 23, 2025 at 8:36 pm
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Case 9 — Maintenance question: how do I tell if an automatic actually needs service?
A sudden rate change has several possible causes. Ask a watchmaker to test suspected magnetism rather than diagnosing it from a compass or attempting an adjustment based on forum replies.