Specifications Oscillator frequency: 32768hz Dimension: 6¾ 8 Dimension: 22.622 Time keeping: ¡à30seconds/month Circuit: c-mos Operating voltage: dc1.35v to 1.65v Operating temperature:-5¡æ to 55¡æ Average consumption current: 1.90µa Battery:1.55v /ø 6.80 * 2.60 Battery life:18 months Torque: 5µ nm.