Crystal types: sapphire, mineral and acrylic trade-offs for daily wear · RWI-21288

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?

Record format: question; proposed response; source or method; limitation. Use a dated correction only if the underlying wording or evidence changes. Record RWI-21288.