The gifted makers of the Antikythera mechanism knew better. After all, these consummate craftsmen may have been the intellectual heirs of Hipparchus, the greatest astrologer/astronomer of the ancient world. They may have even studied with Posidonius. They readily recognized the Olympic Games as a symbolic, mythological and ritual means of coordinating the solar and lunar calendars, and their exquisite device would have seemed incomplete without the Olympiads.
For More on the Antikythera Mechanism: The July 30th Article in Nature
For More on the Astronomy, Astrology, Mythology and Sacred Time Keeping of the Olympiads and the Olympic Games:Valere Vaughn's article on the origin of the Olympics