This quartz movement features accurate and dependability timekeeper (accurate to +/- one second per day), movement size: 5.6cm square 1.6cm thick and fits in a 7.6cm diameter hole. Movement is suitable for clock repair, restoration or clock making. The shaft diameter measures: 0.8cm . A pair of hands included 10cm as shown. AA battery required. Clock movement: Maximum Dial Thickness 1.3cm . American Engineering and Quality Made in China.