The iconic calendar clock, with its distinctive form and flip mechanism, has an established following in design circles. The Font Clock employs twelve different typefaces. These range from modern renditions of classic type families like Bodoni to 20th century classics like Franklin Gothic and Helvetica. By working with the Grayson Time Management system, Established & Sons partners with the premier manufacturer responsible for providing the timekeeping for banks, post offices, schools and institutions such as the London Stock Exchange. Established & Sons.