The newly painted parts are the armors for the arm and leg, in metallic green to illustrate their thickness.
Not a regular release nor a new release, this custom color version will only be released in a lucky draw style for fans who pre-order it through KMS (Kaiyodo Museum Store), or through the same lucky draw method in specific stores when this Revoltech figure is out.
November 15th release, 2,400 Yen (inclusive of tax).
Images are from Kaiyodo.