Here is comprehensive content about (also known as a flip-down clock or flap clock), covering its history, mechanics, cultural significance, and modern relevance. The FlipClock: A Timeless Icon of Mid-Century Design What is a FlipClock? A FlipClock is a type of electromechanical timekeeping device where the digits are displayed on rigid pages (or "flaps") attached to a series of rotating wheels. As time passes, each wheel rotates to the next position, and the page "flips" down with a satisfying, distinctive clicking sound to reveal the new digit.