The Citizen 4-R09577 watch movement features an adjustable stud holder, providing the ability to fine-tune the regulation of the balance wheel. It is equipped with shock protection, improving its durability and reliability. The movement includes a sweep seconds function, allowing for continuous timekeeping. With a beat rate of 21600 vibrations per hour (vph), it ensures accurate timekeeping. Furthermore, the movement consists of 17 jewels, serving as bearings to reduce friction and enhance its overall performance.