RE: [Demo notebook] Workbench questions: what to record before asking for service · RWI-27959
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October 21, 2025 at 7:48 pm
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MovementIndex 02835
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Case 16 — 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.