The Seiko 7321-5409 watch movement features an adjustable stud holder, providing enhanced precision in timekeeping. It is equipped with shock protection to safeguard the movement against external impacts. The movement enables a sweep seconds function, allowing for a smoother and continuous motion of the seconds hand. With a beat rate of 36,000 vibrations per hour (vph), the Seiko 7321-5409 movement ensures high accuracy and reliability. It incorporates 25 jewels, reducing friction and enhancing the longevity of the movement.