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re: OT Watch Guru thread: help needed with casual watches
Posted on 10/8/15 at 12:43 pm to Broke
Posted on 10/8/15 at 12:43 pm to Broke
quote:
A sapphire crystal doesn't stop scratches completely
Well according to the Mohs index: sapphire crystal is rated at a 9 (diamond is 10); thus in theory, the only harder material the can scratch another softer material. So there are not a lot of everyday things that could scratch sapphire... in theory.
This post was edited on 10/8/15 at 12:44 pm
2
Posted on 10/8/15 at 12:45 pm to Lokistale
It's the thin film that gets scratched. That's what we are seeing when we see "scratches"
ETA: It's called an AR coating. And not all sapphire has it but some do.
ETA: It's called an AR coating. And not all sapphire has it but some do.
This post was edited on 10/8/15 at 12:48 pm
Posted on 10/8/15 at 12:48 pm to Lokistale
If you scratch sapphire Crystal, you hit the piss out of it. If it had been mineral it would have broken.
My Sinn is second hand. Has minute scratch. I don't know what that guy did. My Tag is brand new. I've knocked the shite out of it a couple times... Nothing.
My Sinn is second hand. Has minute scratch. I don't know what that guy did. My Tag is brand new. I've knocked the shite out of it a couple times... Nothing.
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