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Furthermore, some modern watches (like smart watches) even incorporate calculators, GPS and Bluetooth technology or have heart-rate monitoring capabilities, and some of them use radio clock technology to regularly correct the time. Most watches that are used mainly for timekeeping have quartz movements.
Explanation:
Answer:
Nowadays a much improved and innovative system of measuring time is used in watches. These watches run with cells and are called quartz watches. The quartz watches measure time more accurately as compared to pendulum watches.
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