The existence of a black dial has become evident in the 5970 RG case. Generally, only the PT case is a black dial in the 5970, butpostAs you did, the black dial for the PT case is actually the font size of some numbers is getting bigger.

The black face of the RG this time does not have a large font, which means that the color is black with the same design as the regular face of RG. It is a custom-designed dial.

From the left: 5970 J, 5970 P, 5970 R / blk. You can see clearly that the indial character in the lower center is larger by 5970P.