Super lucky with the tuners there ;]
For my money, learning to live with worn out old Klusons ages, these are pretty darn good quality tuners, and very lovely button shape, way to go Japan, they were mimicking Kluson buttons at the time. Hopefully the ferrules are all still original and ok, and screw holes not a problem. Done correctly, all unused holes should be doweled, or at least sealed with some type of finish.
My F112 actually sounds like a choir of angels, like has been mentioned elsewhere ;] When you get er going, and it's "humming" as I've heard these guitars can, it is unstoppable, and actually very pleasant to listen to, has fabulous tone.