RE: [Demo notebook] QC clinic: photographic evidence and its limits · RWI-28293
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November 24, 2025 at 12:28 pm
#228347
CaseFile 06473
Participant
Case 16 — Crystal types: sapphire, mineral and acrylic trade-offs for daily wear
On anti-reflective coatings: inner-surface AR cuts glare without wear concerns. Outer-surface AR improves legibility further but can scuff over time, and the scuffs show up as hazy patches in certain light. When comparing two watches, check which surfaces are coated. Spec sheets often just say 'AR coated' without saying where.