Specifications Oscillator frequency: 32768hz Dimension: 6¾ ¡á8 Time keeping: ¡à30seconds/month Circuit: c-mos Operating voltage: dc1.25v to 1.65v Operating temperature:-5¡æ to 55¡æ Average consumption current: 1.90µa Battery:1.55v/ ø 6.80¡á2.60 Battery life:18 months Torque: ¡ý5µ nm.