The Bulova 2192 watch movement, produced from 1972 onwards, features an electronically controlled balance motor and sweep second hand. It offers quickset functionalities for the day and date by repeatedly pushing the crown, allowing for easy adjustments. Additionally, the watch includes a zero reset feature for both the second and minute hands by using the pusher at 8 o'clock. Furthermore, the movement incorporates a hack feature. The specific differences between the 7801A and 7803A models are not known.