DT-26 32.768KHz DT-26 32.768KHZ 10PPM DT-26 32.768KHZ 12.5PF 10PPM DT-26 32.768KHZ 12.5PF 20PPM DT-26 32.768KHZ 12.5PF 20PPM-5MM DT-26 32.768KHZ 12.5PF 50PPM DT-26 32.768KHZ 12.5PF 5PPM DT-26 32.768KHZ 20PPM DT-26 32.768KHZ 6PF 10PPM DT-26 32.768KHZ 6PF 20PPM