because that watch has the same sliding hours mechanism.
If it is, then Preziuso is one of the watchmakers behind it and it utilizes an ETA base.
from his timeline
2004: He introduces a stunning showpiece of the Gérald Charles collections, a Tourbillon created in cooperation with Antoine Preziuso. He develops other exclusive creations for the brand collections. In parallel, he continues to paint, exhibiting his works in several countries.
Best, Mike
This message has been edited by mkt33 on 2010-10-20 10:11:45