I was dreaming about the American 1921 (again....) and looked at a photo I had taken of the caliber 4400 from the Patrimony Traditionnelle and just noticed the finish on the crown wheel: The crown wheel is the geared wheel at the 9 o'clock position in thi...
was on the review watch that Vacheron Constantin had sent me. Being a prototype, and the caliber 4400 being introduced in the American 1921, I suspect that they still had some choices to make about finishing details. Personally, I prefer the grained look ...