The Citizen 45-5251 is a mechanical watch movement that offers accurate timekeeping through its intricate system of gears, springs, and levers. It operates solely on mechanical power, without any reliance on external sources such as batteries or electricity. Providing crucial functions essential for time measurement, the Citizen 45-5251 movement includes hours, minutes, and seconds hands, as well as a date display, allowing users to conveniently track the passage of time.