Rolex Oyster Perpetual Date 15037 Buick Car Gift Black Dial with PapersA rare 14kt car company case back Date This is a very cool and rare 14kt yellow gold OP Date ref no 15037 that we believe were only made for the US market. This is further backed up by the fact that the case back has an engraving for the Buick motor company and it comes with original punched papers that state the watch was sold by Rolex New York directly to Buick ! The 34mm case is in excellent condition and it houses a glossy black dial with gold