This wall clock features bold, easy-to-read numerals swept, second-by-second by a red hand and by black minute and hour hands. The rim and back are of metal with a glass lens protecting the face and hands. Time is kept by a high quality Quartz movement. The clock measures 10.25"Dia x 3.00"Deep .It requires only one AA battery. The battery is not included. It looks great in a retro kitchen!