Patek Philippe Nautilus , Rolex OysterQuartz and Audemars Piguet Royal Oak carry the same Case design!?

These are some of the most pretty design of Watches.
On the left is the Patek Philippe Nautilus of stainless steel.
The One on the right is Audemars Piguet Royal Oak, both watch is the design of Gerald Genta,
The One kept between is Rolex OysterQuartz Ref 18018, AP has been trying to sue Rolex for stealing the deisgn of the Royal Oak! Well, look at it carefully, we can understand why AP had such a concern.
Amongst these three, the AP Royal Oak is thinnest, (7mm). second is the PP and then the sturdy Rolex
These are three legendary watch design in the 70s! Gerald Genta has another Design; VC Ref 222 and IWC ingenieur! I hope one day I have a chance to take a picture of these Watches in one shot.
HK Snob