RE: [Demo notebook] QC clinic: photographic evidence and its limits · RWI-00405
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February 28, 2018 at 12:14 am
#6945
DialCheck 03804
Participant
Case 30 — Beginner glossary Q&A: complication, caliber, jewel count, power reserve
Jewel count describes bearings used in a movement design; it is not a quality ranking. Compare the documented movement architecture and service support rather than assuming a higher count makes one watch better.