I had forgotten that I had put my name down for this so it was a pleasant surprise to get the call on Thursday. Delighted to own this classic piece as a partner it's 5712 5711 brother.
... an effect of the material because the RG Royal Oak shows the brushing far more than the stainless one, so think this is the same effect. I think the different effects you see in SS Nautili online are due to filters etc.