RE: [Demo notebook] QC clinic: photographic evidence and its limits · RWI-19445
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June 10, 2023 at 10:33 pm
#156328
QCNotebook 03187
Participant
Case 8 — 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.