Looking for a Nava or a Nava Builder

Hello the community,

I am a newbie and a new Nava fan. I am looking for a Nava builder.
With the ability to install the BA662 instead of the BA6110 for the clap.
I'm from Paris.

Or if someone has one to sell. I can also be interested.

Best

Still interested by a Nava.

Here is my mail if you prefer : no.saudade.contact@gmail.com