When did Rolex introduce AR to the cyclops on the sub 16610?

[phwtan]

Hello,

Just wondering whether / when Rolex introduced AR to the cyclops for the 16610 submariner ?

I've got a V series submariner 16610 from 2009 and I'm pretty sure it doesn't have AR.

I enquired at RSJ about replacing the crystal as part of a service as it has a scratch on it and they told me that the crystals now all have AR.

Just wondering whether a V series with AR would be period correct. is it ok to replace the crystal with an AR one for a v series sub?

Thanks!