Three rings, no hands, and a dome you could lose a marble under
Trilobe's second-generation Une Folle Journée keeps the three-ring display, swaps the bought-in movement for its own Paris-built X-Nihilo calibre, and wraps it in a barrel case under a 10.2 mm sapphire dome
We haven't written up this one. The Gadgeteer has the full story — the link below goes straight to it.