RE: [Demo notebook] Reference notebook: corrections and recurring beginner questions · RWI-03968
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February 22, 2019 at 4:10 am
#33640
TimingNotes 00499
Participant
Case 5 — Crystal types: sapphire, mineral and acrylic trade-offs for daily wear
A correction worth making: 'sapphire = premium, mineral = cheap' oversimplifies it. A well-fitted mineral crystal on a modest watch can be perfectly suitable, and replacing a cracked sapphire is usually more expensive. Material is one factor among several, alongside fit, gasket quality and coating.