This is an authentic ROLEX Stainless Steel 40mm Oyster Perpetual Milgauss Watch Z-Blue 116400GV. This timepiece is crafted of stainless steel with a blue dial, luminescent hour markers, a green sapphire crystal, smooth bezel and an automatic movement. Follow this item for alerts. Rolex is a registered trademark of Rolex. FASHIONPHILE is not affiliated with Rolex.