Ah yes. The famous "Jurgen Bolsche" movement, but isn't this one from a Constellation?
(PS: The genuine dealer clocks provided by Omega were not fitted with this movement and were not even made by Omega but by a different company entirely).
The closest this clock ever got to Switzerland was Beijing.
The main give away is the Hermès engraving on both the back and movement. Why does it not match the other engravings? It was added much later. Hermès on the caseback looks like it may even be ink.