The Seiko 1F20-5079 watch movement is an automatic movement featuring numerous functions. It includes a stop seconds function, allowing for precise time setting. The movement also incorporates a day and date display, enabling users to conveniently track both. Additionally, it incorporates a sweep seconds hand for continuous and accurate timekeeping. The watch movement is equipped with a calendar with quickset, allowing for easy adjustment of the date. Lastly, it operates at a beat rate of 36,000 vibrations per hour (vph), ensuring high accuracy and performance.