Abstract: The face of a watch or clock is made up of electro-optical devices, such as liquid crystal devices, arranged to present radial bars each divided into an inner segment and an outer segment and the segments can be illuminated by an electronic drive circuit having a time-base generator such as a quartz-crystal oscillator. The drive circuit has a time multiplex system for scanning the bars and selects segments for illumination such that a minute hand is simulated by illumination of both segments of a bar, an hour hand is simulated by illumination of an inner segment alone, and a seconds display is provided by illumination of the outer segments in turn.