The Bulova 2181G watch movement, utilized from 1972 to 1974, is equipped with a Triovis micrometer regulator and a stem release slide. It incorporates an electronically controlled balance motor, enabling precise timekeeping. The movement also features a sweep second hand and a hack mechanism that stops the balance in a position ensuring reliable starting when the crown is pressed. Furthermore, the watch movement employs an analog display powered by a quartz mechanism.