The Universal Geneve 1-51 watch movement is an electronic movement that was used in watches during the period of 1970-1975. It features an electronically controlled balance motor, which allows for precise timekeeping. The movement also includes a sweep second hand, as well as a date function that can be set by changing the 23-24 hour marker. Additionally, the movement has a hack feature, allowing for easy synchronization with other timepieces.