Gorgeous. Was Vacheron known for their repeaters in the 1800s/early 1900s? I seem to see a number of them when browsing the pocket watch world side of things but I grew up with a grandfather that was an American-only collector so my knowledge is limited.
One of my grail purchases would be a five-minute repeater from Waltham. I find it fascinating the Atlantic divide (and manifest destiny's influence on railway development) that basically set American watchmaking on a track toward accuracy and durability and Swiss and European watchmaking in general toward complications. But minute repeaters/quarters/fives as well as chronographs obviously have their use, but apparently not as useful or in demand from the US Market, especially as their development started to come into its own around the Civil War. So finding one from Waltham that I could afford eventually would be a treat.