F.P. Journe

Jays watch fascinated me and I did a little bit of reading up on the movement and still have a question about their description of how the centigraphe works. They say that the centigraphe is powered by the main spring but it is powered through the barrel ...  

in the EP1978424A1 patent. If I have time I may take a closer look at it. Espacenet – search results ...  

I believe it is these to units acting together that provide the functionality…again thanks😊😉 ...  

The chronograph is indeed powered by the mainspring that is located at the center of the movement. There are 3 cinematic chains - 4 is displaying 1/100th, - 4' is rotating once every 20secs - 4'' is displaying 10 minutes maximum "measuring" capability Eac... 

What is the end result in practical terms by taking the “time reference” as you refer it at a different level in the CTS? Re the 1/100th, this was always a gimmick to me for the reasons you state. As you say, the 1/6th division is very clear to the naked ... 

But it’s still swinging free from point to point and so is the actual timing precise? It’s a bit of a nonsense question anyway because our reaction time is not quick enough to measure anything 1/100th accurately.

Thanks!

All your questions answered with diagrams ! Your timing is interesting, makes me think you were editing his story LOL 😂