G'day,
iīm happy to present a little surprise and iīm even more happy itīs a contribution of Mark (aka MdV aka Radiomirio) who is a frequent contributor and avid fan of the Foudroyante pieces here.
So here we go with probably the first
video to show the function of the 1/8 "lightning" second of Markīs wonderful ref. 90200 S.F. Foudroyante:

Click here to get magically transported there
Again, sincere congratulations on a wonderful piece, Mark! And thanks a lot for sharing!
Greetings from germany,
Peter