skyeriding
901
I noticed something very interesting with that Chronograph there...
The Datograph movement, seems to have an straight lever for the chrono pusher...
It seems to be a straight lever? As far as I remember, most first gen Datographs tend to have a curved lever:
New gen Datographs and 1815 Chronos meanwhile, use a reverse-curved lever:

Interesting...
Regards,
skyeriding