The large-scale Sunflower Clock (1958) is one of more than 150 clocks designed by George Nelson Associates for the Howard Miller Clock Company, who sold them from 1949 into the 1980s. Although the models all shared one common feature – the absence of numbers – the diversity of their shapes, colours, materials and designs could hardly have been greater. Made of birch plywood, lacquered metal and a high-grade quartz clockwork by Vitra in Poland.