RE: [Demo notebook] QC clinic: photographic evidence and its limits · RWI-31193
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September 16, 2026 at 5:22 am
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CaliberReader 05442Participant
Case 32 — Crystal types: sapphire, mineral and acrylic trade-offs for daily wear
Spec sheets list sapphire, mineral or acrylic crystals, and opinions in threads are very strong. For a daily-wear watch, what are the real trade-offs, and is an anti-reflective coating worth paying for?
Exercise RWI-31193/32: address this question within its stated limits.