Prix Compasso d'oro “Cifra 5”, Horloge électro-mécanique, Gino e Nani Valle con John Myer e Michele Provinciali, R. E C. Solari, Udine.Gino Valle employed an electromechanical system to turn the rotating flaps of numbers. The Cifra 5 clock aesthetics and easy mechanism developed through several versions over the course of many years.