Take care, these inside pictures may hurt young people
This is the Chronographe Nicolas Rieussec Open Home Time.
What is interesting about this black model is how the movement below the plate, here in close up, between the two discs, is more visible with a black dial. Black dial & steel caliber = great contrast !
May be it would have been even better with a more brilliant finishing ? Something like the bridge just below, which makes the link between the two discs ?