An alarm clock that reproduces the appearance of the masterpiece "AB5" designed in 1990. The functionality has been greatly improved by incorporating modern technology there. It features a rational design in which a cylindrical battery box firmly supports a round watch. initially The weight and size of batteries, which tend to be viewed negatively, are utilized as elements that make up the beautiful exterior. material plastic , Operated by one AAA battery, step type size W69mm D37mm Functionality alarm / snooze / light /