FC12K40T/R(M1) FC-12M FC-12M 32.768K FC-12M 32.0000KA-AG5 FC-12M 32.0000KA-AGX FC-12M 32.768 FC-12M 32.7680 FC-12M 32.768000 KHz FC-12M 32.768000KHZ FC-12M 32.768000KHZ 7.0 +20.0-20.0