A historic project by Achille and Pier Giacomo Castiglioni, Firenze was designed in 1965 for the La casa abitata exhibition at Palazzo Strozzi, in Florence. In 1996 the project was put into production by Alessi in blue, dark blue, pale orange, grey and white. The Clock is now presented in new versions, which is the result of research conducted by Claudia Raimondo (an Alessi consultant for research on colour and finishing.