This is an authentic ROLEX Stainless Steel 40mm Oyster Perpetual Date GMT Master II "Batman" Watch Black 116710BLNR. Known as "Batman", the watch features an automatic movement GMT, date window, black dial, iconic blue and black Cerachrom bezel and Oyster bracelet. Follow this item for alerts. Rolex is a registered trademark of Rolex. FASHIONPHILE is not affiliated with Rolex.