Yes, that was my guess, too. A Reverso movement with a QP module.
By: amanico : November 17th, 2015-04:19
Why it has not been used a a series production, I don't know. Maybe one of those pieces JLC used to show their skill. There were several examples like this. One, ten years before, the Grande Complication pocket watch, for example. Best, Christian. Nicolas...