The moonphase watch complication combines whimsical depiction, romantic appeal, and micro-mechanical precision, evolving from Patek Philippe's early wristwatch examples to modern widespread use.
Time Eternal: The 3D Printed Perpetual Calendar Clock That Defies Expectations - Yanko Design
The 3D-printed perpetual calendar clock combines intricate mechanical design with functionality, offering accurate timekeeping until March 2100 without updates.
Its skeleton design showcases the gears and workings of the clock, providing a visual insight into its complex timekeeping functions.