Men's Watch Citizen Pilot Radio Controlled AS4020-52E | Наручные

Watch Citizen Radio controlled collection Men's Pilot, quartz movement chronograph Eco Drive solar charge, stainless steel case and bracelet, bottom and Crown tightened screw, sapphire glass, water resistance up to 20 bar. Reference:AS4020-52E

Functions: radio controlled. Chronograph watch 1/20 sec. Dual time, alarm, perpetual calendar. Function of receiving radio waves with confirmation hearing. Status Display reception. Power saving function.

What is the technology Eco Drive?

One of the challenges of Citizen: developing a technology that garantisse the constant operating clock, anywhere in the world. In 1976, they invented the first analog quartz watch powered light that works by using only the light as power source. This technology, now known as Eco-Drive, può generate energy by any light source (artificial light, natural light and even dim light) to continue to operate the watch without ever replace the battery.

What is the technology radio controlled?

Radiocontrollo system installed on the clock receive time signal generated by an atomic clock sent by means of waves radio. Atomic clock precision and every Citizen radio controlled clock is absolute, with a tolerance of 1 sec each 10 million years. To avoid interference with smartphones and other equipment used during our days full, the watches Citizen radiocontrollati receive the radio signals at night to adjust time and date.

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