Ulysse Nardin 175th Anniversary Chronograph, Mono Pusher.
One of the watches which was stolen to me and which I regret the most.
This one belongs to a good friend of mine. Not my stolen watch, to avoid any confusion.
The LE had a solid case back, while the non LE had a display back showing the movement:
Credit: Garry G:
And the full set, now.