2 x 6mm watch crystal with pre-formed legs to make a SMD package. Suitable for real time clock applications. Frequency Parameters Frequency Frequency Tolerance Tolerance Condition Ageing 32.768kHz ±20.00ppm @ 25°C ±5ppm max in 1st year Electrical Parameters Load Capacitance (CL) 6.0pF to 12.5pF.