Rolex Oyster GMT MASTER II “Batman Oyster” Brand New Rolex Oyster GMT MASTER II Batman. Reference 116710 BLNR. Discontinued model with steel oyster bracelet. 40 mm steel case, two-tone black and blue ceramic bezel, sapphire crystal. Rolex COSC automatic movement. Year 2019. Brand new. Complete with boxes and documentation. With official guarantee until 2024.