The PCA2000 and PCA2001 are CMOS integrated circuits for battery operated wrist watches with a 32 kHz quartz crystal as timing element and a bipolar 1 Hz stepping motor. The quartz crystal oscillator ...
Long scorned despite being cheaper and more accurate than their mechanical counterparts, quartz watches are finally getting some love. By Scott Cacciola Wristwatch enthusiasts can be persnickety. They ...
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