Rolex Oyster GMT MASTER II Batman Oyster “New” Reference 126710BLNR. Latest update of the 2021 Rolex Oyster Perpetual GMT MASTER II “Batman” model with Oyster bracelet. 40 mm case, black dial, two-tone black and blue ceramic bezel, oyster steel bracelet with folding clasp. New automatic Rolex COSC caliber 3285. Year 2021. (7/2021). Brand new. Complete with boxes and documentation. With 5 years of official / international guarantee.