Cifra 3

The Cifra 3 [ˈtʃifra treː] is a digital flip clock manufactured by Solari di Udine, S.p.A, Italy designed by Italian architect Gino Valle (1923–2003) in 1965, with significant contribution from John Myer, a Belgian inventor. The Cifra 3 is widely considered a masterpiece of industrial design, using a split-flap display to display hours and minutes. The clock won the prestigious Compasso d'Oro prize for design and is on permanent display in the "Humble Masterpieces" exhibition at the Museum of Modern Art in New York and holds a place in the permanent collection of the Science Museum in London.