Abstract: A gaming chip with built-in timer includes a circular cylindrical body with an upper surface, a lower surface, and a continuous sidewall. Additionally, the gaming chip with built-in timer may have a diameter and a thickness that are approximately the same as the diameter and thickness of a standard sized casino gaming chip, which may allow it to be stored in a standard size chip tray. Incorporated into the body of the gaming chip may be a timer, a start button, a stop button, and a reset button. During use, a single gaming chip with built-in timer may be used to mark a seat vacated by a gambler on a break. If more than one gambler vacates his or her seat during a break more than one gaming chip with built-in timer may be used to reserve the empty seats.