Following twenty years of unpopularity, a group of dealers – Italians and People – started to notice vintage Rolex Daytonas and began obtaining them up. Based on Parmegiani, it was this tiny group of sellers that coined the nickname "Paul Newman" to the unique-dial watch worn with the popular actor. https://www.watchesworld.com/a-deep-dive-into-the-business-of-watchmaking/