There are multiple methods to measure time. In the past, we had unreliable time measuring tools like sundials and hourglasses. Then Christiaan Huygens using the concept of SHM invented the pendulum clock which was the first precise enough time measuring device. Eventually Pendulum was replaced by Quartz Crystals which are used in Analogue clocks and watches. I want to know which method do digital clocks and watches use? It is Quartz crystals or something other? Is that other more precise than Quartz crystal?
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Still quartz crystals, their sort of accuracy is far more than adequate for daily use.
Unless you have a watch that gets periodic (usually daily) updates from various atomic time signals.
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