None, I'm afraid.
However, the file is captured in the 24 h format (I let Lightroom or Photo Mechanic rename my files yymmdd_hhmmss, and that is in the 24 h format).
There's a shortcut for that:
1 call up the Q menu
2 press and hold the Q button and the Edit/Save Custom Settings menu appears.
Then make your setting and save them ...
I use the wievfinder almost for every shot (and approx. 90% it's the OVF (X-pro1 and X100S)) .
If on a tripod I may use the LCD.
As I shoot raw I rarely have to acces the menu-system, but when I have to it's on the LCD.
I don't use the eye-sensor as I don't like the display to light up between shot/whenever I remove the camera from my face.
Began with the X100 when it was first launched in 2011 (later replaced by the X100S) - and got the X-pro1 when that was launched in 2012.
I prefer the window viewfinder - mostly use the OVF on both cameras (the viewfinder was initially my sole reason to buy in to the Fuji X-system).
I use the X-pro1 with the 18, 35 and 60 mm lenses. The original 35 mm has now been replaced by the F2 version.
The X-pro2 is already preordered ;-)