Year: 1987 This is an authentic ROLEX 18K Yellow Gold Diamond Blue Sapphire 36mm Oyster Perpetual Day-Date President Watch 18038. This watch is crafted of 18 karat yellow gold and features a diamond dial with blue sapphire accents, date display, sapphire crystal, and an automatic movement. Follow this item for alerts. Rolex is a registered trademark of Rolex. FASHIONPHILE is not affiliated with Rolex.