Maranez Rawai 45 is a great looking watch. Saucer stylee!
My most expensive watch, a Maranez Rawai 45 in brass, has an acrylic domed crystal. It may pick up the occasional scratch but is very robust and not prone to shatter like the harder crystals. It's a really strong, properly waterproof watch for diving and the acrylic just adds to its battered charm with loads of patina on the brass.
Out of stock....boo!
There a big demand now a days for acrylic crystals, was looking at a re issue watch just the other day costing many hundreds and was fitted with an acrylic crystal. It would be a definite no for me but some will pay a lot of money for a watch with a bit of plastic protecting the dial. Strange world we live in, what next the Betamax videa?
As for hardness, acrylic : mineral : sapphire is like 1 : 7 : 20, I believe..