Howard Miller 625323 Wall Clock Matte black case with shatter-resistant crystal. White dial and large, easy-to-read black Arabic numerals. Quartz, battery-operated movement, Auto Daylight Savings movement automatically adjusts for Daylight Saving Time, and requires one AA sized battery (not included). Depth 2.5" (6 cm) Diamater 14" (36 cm) 14-inch diameter Auto Daylight Savings movement adjusts to Daylight Savings Time automatically This saves significant time and effort in an office setting where there are numerous clocks Easy-to-read, large white dial with black Arabic numerals, and a seconds track inside the numeral ring Matte black case and shatter-resistant crystal Quartz, battery-operated movement