The Seiko 4N20-0530 watch movement features an adjustable stud holder for enhanced precision. The movement is equipped with shock protection mechanism to ensure durability and reliability. It is an automatic movement, requiring no manual winding. The sweep seconds function provides a smooth continuous motion of the seconds hand. The movement also includes a calendar feature for date display. Finally, it comprises 17 jewels, which are strategically placed to reduce friction and enhance overall performance.