The Citizen 4-155513 watch movement features an Adjustable Stud Holder, providing fine-tuning capabilities. It is equipped with Incabloc Shock Protection, enhancing its durability and resistance to shocks. The movement includes a Sweep Seconds function for smooth and continuous timekeeping. It incorporates a Calendar feature for displaying the date. With a beat rate of 21600 vibrations per hour (vph), the movement ensures accurate timekeeping.