Rolex GMT-Master II 126710BLNR Batman Dial May 2021In the beginning, the reference 126710BLRO was only produced with the red and blue insert and on a Jubilee bracelet. In 2019, Rolex rolled out the 126710BLNR, exactly the same view but using a black and blue “Batman??insert as well as a matching blue GMT hand, primarily replacing the initial Batm