Enhance the Decor of Any Room of your Home or Business with this 12 Inch Nation of Islam 3D Quartz Wall Clock. 

Accurate quartz movement
Quiet Sweep mode second hand
Easy Readablity
Uses one "AA" size battery

A quartz clock is a clock that uses an electronic oscillator that is regulated by a quartz crystal to keep time. This crystal oscillator creates a signal with very precise frequency, so that quartz clocks are at least an order of magnitude more accurate than good mechanical clocks.