Instead Selleck has on a Rolex Daytona ref. 116515LN. His looks to be the modern ceramic bezel variant with a rose gold
link case and off-white dial on a leather strap. If you're going to forgo the GMT-Master this isn't a bad second option. You can see the watch on his wrist while he's quizzing the cast on some classic Friends trivia they weirdly know
link almost
link all the answers.