This is an authentic ROLEX Stainless Steel 40mm Oyster Perpetual Date GMT Master II "Batgirl" Watch. When compared to the iconic Rolex "Batman", this updated model is known as the "Batgirl" due to its thinner lugs and Jubilee bracelet. Like its predecessor, it features an automatic movement with GMT and date complications, a black dial, and blue and black bidirectional rotating Cerachrom bezel. Follow this item for alerts. Rolex is a registered trademark of Rolex. FASHIONPHILE is not affiliated with Rolex.