From the jumbo clock face display to an integrated LCD projector, functionality is the name of the game.
Today's youth may not readily know how to read a regular clock face because of the availability of digital time-keeping devices, including cell phone displays and iPods.
From 1 to 12 the numbers sometimes lie in the circumference of a circle, an arrangement obviously suggested by a clock-face; in these cases the series usually mounts upwards from 12.
Inside the locket is a Roman numeral clock face with a crystal mounted in the center.
If a pendant clock face is too small, it can be difficult to read.