The Guba 10-30 watch movement, developed during the period 1971-, features a sophisticated excenter self-winding mechanism with just one gear stage. Not much is known about the differences between the 7015A and 7017A models. The movement offers various functionalities including an automatic chronograph with a 60s duration, cam switched operation. It does not support manual winding but offers a quickset feature for the day function, which can be adjusted by repeatedly pushing the crown in two languages. Additionally, the movement supports a quickset for the date display and includes features like a day and date display, calendar, and automatic operation.