Timing signals, transmitting data, Timing device units, timing device manufacturers

 ABS07 Series 32.768 kHz ±20 ppm 12.5 pF -40 to +85 °C Tuning Fork Crystal

https://www.futureelectronics.com/p/electromechanical--timing-devices--crystals/abs07-120-32-768khz-t-abracon-6026861