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Caliber H800
Rated 5.00 out of 5 based on 2 customer ratings
(5 customer reviews )
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Deviation: One second in 1,000,000 years.

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.

The correct time. Automatic Every day

Manual time setting is no longer necessary. Setting the time manually is a nuisance. Either you have to watch the clock after the time announcement on the radio or after comparing with the smartphone. If you forget this, your watch will start tracking. Radio technology takes this work off your hands and makes your life a little bit easier. Once a day, it automatically receives a time signal on the basis of an atomic clock and updates itself to the right time. Radio clocks receive radio signals every day, synchronize itself in time, day and date but only late at night to detect possible interference with the signal from smartphones and other electronics during the day.

Receives signals in 4 geographical regions

The radio technology is based on the reception of a time signal of channels in four different regions: Europe, North America, China and Japan. Applies to the world multiband models. The concentric circles, which display the time signals in the map, serve only for illustration and illustration. do not show actual areas. Different models have different ranges and receive signals from different transmitters. Reception can be influenced by local topography, building and weather conditions.

Model Description

Reviews (5)

5 reviews for AT8020-54L

  1. Rated 5 out of 5

    J.A. Van der Vlies

    Dit horloge voldoet aan mijn Wereld algemene verwachtingen en is een mooi sieraad aan de pols. Werkelijk een Top uurwerk/ horloge .

  2. Rated 5 out of 5

    Klaus-Peter Budzinski

    Die Uhr ist Faszinierend und einfach zu verstehen, insoweit das richtige Informationsmaterial vorliegt. Dabei hilft Citizen außer Ordentlich und beantwortet alle Fragen schnell und kompetent.

  3. Rated 5 out of 5


    One of the Best watches I ever had. F

  4. Rated 5 out of 5

    Ioannis Mitsis

    Ich bin von die Uhr FASZINIERT. Meine tägliche Begleitung.
    Mann kann leider nur bis 5 🌟 geben .
    Ich gebe trotzdem 6 Sterne 🌟🌟🌟🌟🌟🌟

  5. Rated 5 out of 5

    Roland Janowitz

    Ich suche ein Kautschuk-Ersatzarmband mit Schliese in blau für meine AL 8020. Kaufdatum 2018.
    Können sie mir helfen?

  6. Rated 5 out of 5


    Hab diese Uhr seit Dezember 2021…
    Mit Abstand das “geilste Teil” an Zeitmesser, das ich jemals besessen hab. Preis / Leistung nachgerade sensationell. Funktionalität perfekt!

  7. Rated 5 out of 5

    Alem Sabljakovic

    best ever watch i have him for like 4 years
    the story how i bought was on cruise ship, working saving and i chose to buy this peace of art and design.
    i will save once again in my life and buy again Citizen ..

  8. Rated 5 out of 5

    Thomas Wengenroth

    Perfekte, wunderschöne Uhr, die mich täglich begleitet.
    Leider benötige ich ein bis zwei von den einzelnen Armbandgliedern.
    habe keine Ahnung wie ich da dran kommen kann…

  9. Rated 5 out of 5



    Comment régler l’alarme de cette magnifique montre dont je viens de faire l’acquisition.


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