The first three are the prototype dial and hands. Note how thick the paint on the hands are, and the obvious "Column Wheel" over the sub dial. This is the same watch with production dial and hands. You can see how the hands are sharper with less paint on them.
AFAIK, some early pieces of the Bullet Bangs have been shipped with "prototype" dials and hands. These have slightly darker gold shades as you can see in your photos. The later pieces, although I'm not sure if specific to non-column wheel ones, are shipped with production dial and hands. These have