It always shows the right time. 3…2…First…. Happy New Year! With a radio-controlled clock you can be sure that you will receive your personal New Year’s countdown on time. can start. The atomic clocks, from which radio clocks receive their time signals via fixed radio towers, are equipped with an astonishing deviation of only one second every 1,000,000 years, absolutely precise. By synchronizing with the the most accurate existing time source, your watch will always show you the exact time.