NOTE the gear is for decoration onlycannot move Clock diameter 454545cm 18 x 18 x 18 inch Color Available bronzesilver Product Material Wood MDF medium density fiberboard This roman wall clock is handmade retro vintage 3D art design industrial style This 3d retro wall clock is come with silent nonticking quartz movement Powered by one AA battery not included Clock Movement Warranty if your received clock can not work please feel free to contact us so that we can resend a new movement to you for free