Wall clock quartz movement axial length 8 mm Product size: 56 *56 * 16.2 mm Packing quantity: 5 * 100 PCS/box Packing: styrofoam + cartons Carton size: 40 * 36 * 38.5 CM Wall clock quartz movement. A second level movement, six to eight years of life, all passed CE, ROHS certification. Quartz wall clock movement crystal frequency: 32.768 KHz Average daily poor: plus or minus 1 SEC/dayat1.5 v, 24 ℃ Operating voltage: 1.25 vto1.7 v Working temperature: - 10 ℃ to50 ℃ Weight: approximately 22 g/PCS The second hand of output torque: acuity 1.5 gf - cm (1.5 V) A minute hand output torque: 30 or more gf - cm (1.5 V) Quartz wall clock movement power supply: 1.5 v Battery life of 1 year The battery specification: AA (5) HR axis (l bond axis) : outer diameter of 5.00 MM. The axis points outside the shaft diameter 3.25 MMM. Second pintle 0.75 MM Axial length: 7 mm / 8 mm / 9 mm / 11 mm / 13 mm / 15 mm / 17 mm / 20 mm / 23 mm.