The Ball clock and Sunflower clock, which were created by designer Irving Harper in George Nelson’s studio during the mid-century era, are known to design enthusiasts and have become highly collectible over the years. Wall clocks have been designed by acclaimed creators and manufacturers such as Howard Miller Clock Company, Junghans Uhren GmbH, Pragotron and more. Antique, new and vintage wall clocks have become available over the years in a diverse range of materials, such as wood, metal and glass, as well as styles from mid-century modern to Industrial.