Year: 2014 This is an authentic ROLEX 18K Yellow Gold Diamond 31mm Oyster Perpetual Datejust President Watch Black 178158. The watch is crafted of 18 karat yellow gold and features a black dial with diamond hour markers, sapphire crystal, date display, President link bracelet, and an automatic movement. Follow this item for alerts. Rolex is a registered trademark of Rolex. FASHIONPHILE is not affiliated with Rolex.