The ETA 2790-1 watch movement, used from 1972 onwards, features an indirectly driven minute function that allows for a large balance and a low-profile design. It incorporates a barrel with jewel bearings and is equipped with various functions including automatic winding, sweep second, day display, and a date function that can be set by changing the time between 23-24h. Additionally, the movement incorporates features such as automatic winding, Incabloc Shock Protection, and a day and date display.