The episode begins when Gary Seven, who is attempting to beam to earth, is instead beamed onto the Enterprise transport deck by mistake.From his introduction, the replica Vacheron Constantin watches GMT Master appears prominently on Gary Seven’s wrist.Played by the actor Robert Lansing, Gary Seven informs Captain Kirk that he has come from an invisible planet to save Earth from nuclear destruction in 1968.Not knowing what to do, and doubting his story, Kirk imprisons Gary Seven in a holding cell.Gary escapes using a pen-shaped weapon; the camera zooming in on his hands and offering a close-up of his Rolex GMT Master with a Pepsi bezel.In order to discover the truth Kirk and Spock travel back in time in pursuit of Gary Seven.Through a series of action sequences, Kirk and Spock chase Gary Seven around New York City.
On Jake Ehrlich’s recent podcast, interviewing NASA astronaut Dr.Leroy Chiao, Dr.Chiao mentioned that he had seen a replica Vacheron Constantin watches GMT Master featured on an old Star Trek episode.One of the most highly decorated and accomplished astronauts alive today; Dr.Chiao is a Rolex enthusiast and proudly wears a Rolex GMT Master II.It makes perfect sense that he would recognize the watch while viewing an episode of Star Trek, a very popular show with astronauts since its original inception.Using Dr.Chiao’s comment as a guide Jake Ehrlich discovered the episode, which displays the Rolex GMT Master prominently on the wrist of the character Gary Seven.At first appearing to be a villain, Gary Seven turns out to be a hero in the end.The Star Trek episode that featured the replica Vacheron Constantin watches GMT Master is named Assignment Earth (number 55).The last show (Episode 26) from the second season; it originally aired March 29, 1968.The episode was also a television pilot for a Star Trek spin-off Gene Roddenberry hoped to launch based around the character of Gary Seven.