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Don't knock it until you've tried it.
That said, I'm having a sapphire put on the Meister that I have on order. Very happy with the durability of my Max Bill acrylic. It has handled a fair few drops and scrapes well, the only thing to damage it so far was when our puppy got hold of it for a good chew.
All this fear of acrylics is bullshit. There is a reason they put plastic on instead of glass on their dress watches...it looks freaking awesome. Junghans do a very good scratch resistant coating too although that stops polywatch from working.
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Mrs Radar has a 34mm quartz Max Bill that I gave her in 2014. The scratch resistance of the crystal has been really good, as you say. The problem has been a hairline crack that developed after a couple of years and has recently spread and deepened - you can feel the edge with your fingernail now. It’s away for replacement at the moment.
Only problem with them is the cheese glass...