Features Specifications:Sell step movement  Movement/clock movement/quartz clock movement: Dimension: 56*56*16.2cm Net Weight: 22g Battery Size: AAsize(IEC R6) 1 pieces Battery Life: 6months  Crystal Oscillator: 32,768Hz  Accuracy: (A)±0.5sec/day at 1.5V  (B)±1.0sec/day at 1.5V  (C)±2.0sec/day at 1.5V Operating Voltage: 1.3V TO 1.7V Aveage Power: ≤130μA AT 1.5V Torque: 180-200μN.M Packing: 500pcs/ctn  37*37*38cm(w/hands)  37*37*36cm(w/ohands)