Putting the Tourbillon on the back is the best thing to do. Not because G.O.‘s Tourbillons were not worth displaying but because it is the opposite of showing off.
The pinnacle of discreetness would have been to even not write it onto the dial. But in real life that writing is probably so small that only the owner can read it with a loupe 
A wonderful watch full if pure class.
But: The news on the G.O. Homepage already give a whole lot of information about this exquisite watch.