but missed the auction. If you can find me one, I will give a lot to have one lol! The XXL time only one is a VZSS caliber watch from the 1940s/50s - it is the caliber that dufour based his simplicity on. They are crazy rare and have a cult following.
This is essentially the later version of the original AP Tourbillon Automatique Reserve de Marche - the second ever automatic tourbillon wristwatch to be made. The earlier one's had teardrop lugs while these have straight ones. I know of a dealer who has one for sale at the moment - it is a nice wat