The quartz crystal in your wristwatch vibrates 32,768 times a second
What is ? |quartz crystal wristwatch|
More pictures |quartz crystal wristwatch|
tag: wristwatch, quartz, crystal
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The quartz crystal in your wristwatch vibrates 32,768 times a second
What is ? |quartz crystal wristwatch|
More pictures |quartz crystal wristwatch|
tag: wristwatch, quartz, crystal