RE: [Demo notebook] Workbench questions: what to record before asking for service · RWI-09235
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August 11, 2020 at 4:41 pm
#70840
TimingNotes 07699
Participant
Case 29 — Accuracy expectations: is -8 s/d acceptable on an entry-level automatic?
A correction to a common belief: an automatic doesn't need to match a quartz watch to be healthy. Consistency matters more than the absolute figure. A watch that's reliably -8 every day is easy to live with, since you correct it once a week. One that swings from +10 to -15 is the real concern.