RE: [Demo notebook] QC clinic: photographic evidence and its limits · RWI-24597

[QCNotebook 04667]

Case 1 — Model comparison: dive bezel action and alignment, how to compare fairly

Separate preference from a potential functional problem. Inconsistent engagement, slipping or uncertain alignment should be documented and checked against the design’s specification by a competent watchmaker; do not invent a universal defect threshold.