The Seiko 7800-5220 watch movement features an adjustable stud holder for precise timekeeping, shock protection for enhanced durability, and an automatic mechanism for self-winding. It also includes a sweep seconds hand for accurate time indication, a calendar function with a quickset feature for easy adjustment, and operates at a beat rate of 21600 vibrations per hour. The movement is equipped with 17 jewels to reduce friction and ensure smooth operation.