Ael smd watch crystals 32 768khz 7 x 1 5mm ael x32k768s019 a surface mounting watch crystal that operates at an easily divisible 32 768khz suitable for applications such as real time clocks test and measurement equipment clock source for communications or av equipment ael crystals x32k768s019 32 768khz 12 5pf 7x1 5mm smd watch crystal