The ECX-34Q and ECX-12Q are 32.768 kHz AEC-Q200 qualified watch crystals. They are standard as a ±10 parts per million stability, -40 ~ +85°C with an available ±10 parts per million stability, -40 ~ +125°C. The ECX-34Q and ECX-12Q are ideal for car infotainment systems, IoT, medical, and industrial control applications.