Adaptations of European table clocks, they were not modelled after an oriental drum on a stand nor displayed vertically, and are therefore called table clocks. Almost all such clocks are from a late period, after the 18th century, and feature revolving, adjustable chapter rings and a fixed hand. The engraved decoration tends to be of the common variety found on Japanese clocks. The cases are cylindrical brass drums with simple verge balance-wheel movements and horizontal dials.