The ECS-.327-12.5-12-C-TR from ECS Inc. International is a RF Quartz Crystal with Frequency 32.768 kHz, Frequency Tolerance ±10 ppm, Load Capacitance 12.5 pF, Equivalent Series Resistance 90000, Operating Temperature -40 to 85 Degree C. Tags: Surface Mount. More details for ECS-.327-12.5-12-C-TR can be seen below.