The first Ocean Commitment limited edition featured a blue dial, blue ceramic bezel, and gray ceramic case, crown and pushers. So the colors of the dial, case, crown and pushers is changed in this new limited version.
Just one small thing I think they could improve upon - the buckle and metal elements on the strap are grey, not blue - would make it more colour co-ordinated IMHO if they adapted those elements, too.
I guess the swapped what was gray to blue and blue to gray kept the blue bezel. Blue ceramic case? Blancpain Ocean Commitment Bathyscaphe Chronograph Flyback Blancpain Fifty Fathoms Bathyscaphe Flyback Chronograph Ocean Commitment II ...
The first Ocean Commitment limited edition featured a blue dial, blue ceramic bezel, and gray ceramic case, crown and pushers. So the colors of the dial, case, crown and pushers is changed in this new limited version.