|We have reported a Blackboard Wall Clock. The same function clock, TaskWatch whiteboard($202) by the Art.Lebedev studio. It is a white write-on/wipe-off panel with a clock in the middle.
" The panel is mounted on the wall, standard office markers of different colors are used for writing messages beside the relevant hour or time span. The entire area of the panel can be utilized for writing or drawing. TaskWatch is a helpful tool for organizing one's time or sharing information with co-workers"
Check out other models from here.