The Citizen 4-S05987 watch movement is equipped with a sweep seconds function, allowing for continuous and fluid motion of the seconds hand. It features shock protection, designed to safeguard the internal mechanisms against external shocks and impacts, enhancing the watch's durability. The beat rate of the movement is 19800 vibrations per hour (vph), contributing to its accuracy and precision. Additionally, the movement comprises 17 jewels, which reduce friction and enhance the longevity and smooth operation of the watch.