On an aesthetical standpoint the unusual dial layout is definitely in commun.
As they also share the same 240, it is difficult to say they are not.
But the style of the rest of the watches (case+bracelet/strap) are definitely from 2 different worlds and hence they communicate something completly different.
As a Nautilus owner, I would say they are not cousins. But on a technical point of view some would be right to feel they are.
Which reminds me that I'm still very much looking forward to the announcement of your incoming Patek....perhaps the choice of this thread was a hint? ;-))