The Omega H8589 watch movement is a mechanical movement with automatic winding. It has a power reserve of approximately 42 hours. The movement features central hours, minutes, and seconds hands, as well as a date function. It operates at a frequency of 28,800 vibrations per hour and has 27 jewels. The movement has a hacking seconds feature and a quickset date function. It is equipped with a self-compensating flat balance spring and a monometallic balance. The movement includes a shock absorption system for enhanced durability.