The Girard Perregaux 441 watch movement features an Adjustable Stud Holder, allowing for precise regulation of timekeeping. It includes a Chronograph function, enabling the measurement of elapsed time independently from the main timekeeping function. The movement is equipped with Incabloc Shock Protection, enhancing its reliability and durability by minimizing the impact of external shocks. The movement is composed of 17 Jewels, which reduce friction and wear within the mechanism, enhancing its accuracy and longevity.