What is the sundial with the most moving pieces?

The sundial with the most moving pieces is the "Astrolabium" created by the artist and inventor S. M. E. G. in the 18th century. This intricate sundial features multiple rotating components that track the sun's position and display time, date, and even celestial events. Its elaborate design includes gears and mechanisms that allow for dynamic movement, making it one of the most complex sundials ever constructed. Its craftsmanship showcases the intersection of art, science, and engineering in timekeeping.