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| Regular signal reception ensures that your watch always shows the correct time. The exact time is transmitted to the watch from atomic clocks - the most precise watches in the world. No setting, no resetting, always on time. |
| Atomic clocks are the most accurate clocks in the world. In Germany, the official time is established in the Physkalisch-Technische Bundesanstalt in Braunschweig the national meteorology institute. In Great Britain, the National Physical Laboratory in Teddington near London is in charge of this task.In the USA, this job is carried out by the National Institute for Standards and Technology (NIST) in Fort Collins/Colorado. In Japan, the official time is determined by the Communications Research Laboratory (CRL) in Tokyo. In China, the time is sent by the National Time Service Center. |
| Atomic clocks hardly deviate at all from ideal time. Over a period of one million years, they could "theoretically" fall approx. one second out of sync. To put this into perspective: a quartz wristwatch falls a few seconds out of sync each month. Mechanical wristwatches - no matter how sophisticated they are - lapse many more seconds behind. |
| The time calculated by atomic clocks is sent to radio towers.In Germany, the tower is located in Mainflingen near Frankfurt. In Great Britain, the tower can be found in Anthorn. In the USA, the tower is located in Fort Collins. The tower in Japan can be found in Fukushima in the North East and Fukuoka in the South West. The tower for China is located in Shangqiu. The radio tower in Mainflingen reaches a watch with radio technology within a radius of up to 1,500 km depending on the model. A special feature of some CASIO radio watches is that they are equipped to receive signals from all six transmitters.
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| In Germany, the time signal DCF77 is transmitted on the frequency 77.5 kHz. MSF is the signal from Great Britain and WWVB is the signal in the USA - both are transmitted with a frequency of 60 kHz. The two Japanese signals JJY are transmitted with a frequency of 40 kHz and 60 kHz. The Chinese signal BPC is sent on a frequency of 68 kHz. The radio-controlled watch decodes the relevant signal and displays the exact local time. |
| All CASIO radio-controlled watches are easy to set to the relevant time zonesThe exact time guaranteed in Europe, North America and most of Canada and Mexico. Some models are even equipped with the new radio technology Multiband 6 and receive signals in Japan and most of China. Outside their reception range, CASIO radio watches continue to work as normal quartz watches. |
Radio Controlled Watches
Automatically on time
Radio-controlled watches from CASIO
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For anyone who dares to brave the force of gravity: With its classic pilot design, the G-SHOCK Sky Rocket offers a whole host of functions that are just as useful in the air as they are on the ground. Not only is this G-SHOCK equipped with Tough Solar and multiband 6 radio technology for signal reception in Europe, USA, Japan and China, it also has a matt-finish clock face with cockpit design and fluorescent digits that glow in the dark.
Highlight-Features
- Multiband 6 radio signal reception (EU, USA, Japan, China)
- Solar-powered (Tough Solar)
- Shock-resistant
- Neobrite display
- Luminescent index
- Ionised stainless steel wrist strap
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The innovative 3D display on the of the EDIFICE EQW-M1000DB is a real eye-catcher, offering a glimpse into the inner workings of the watch. The watch also offers Chronograph Multiband 6 radio technology for radio signal reception in Europe, USA, Japan and China, a stop clock, world times, an automatic calendar, and is solar-powered.
Highlight-Features
- Multiband 6 radio signal reception (EU, USA, Japan, China)
- Solar-powered (Tough Solar)
- Stop clock (1/20 seconds)
- Timer
- Solid stainless steel housing and wrist strap
- Mineral glass
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Pure masculinity on your wrist: the Oceanus OCW-M7000J-1AEF offers a multitude of features that can withstand the wildest storms: low tide-high tide indicator, stop clock, world times and automatic calendar. The watch is also equipped with a multiband 5 radio signal receiver and is powered by proven Tough Solar technology.
Highlight-Features
- Radio signal reception (EU, USA, Japan)
- Solar-powered (Tough Solar)
- High-low tide indicator
- Stop clock (1/20 seconds)
- World time for 27 cities
- Solid titanium housing and wrist strap
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Radio Controlled Gentleman
Make any man's day with the elegant WVA-M150DE-1AER for men, which guarantees the exact time in the USA, Japan and other parts of Europe and offers a wide range of functions for the perfect combination of design and innovative technology. The housing of the WVA-M150 series is also extremely flat.
Highlight-Features
- LED Light
- Radio signal reception (EU, USA, Japan)
- Solar-powered (Tough Solar)
- Second time zone
- 8.2 mm thick titanium housing
- Solid titanium wrist strap
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Radio Controlled Ladies
Whether you're shopping in Paris, on a date in Berlin or at a party in London, the CASIO ladies watch LWQ-150DE-1AER will always give you the exact time, plus its special coating illuminates the clock face and watch hands in the dark. A solar cell provides an independent and environmentally-friendly energy solution.
Highlight-Features
- Radio signal receiver (EU)
- Solar-powered (Tough Solar)
- Watertight to 5 bar
- Mineral glass
- Solid stainless steel housing and wrist strap
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The PRO TREK Gauri Sankar is not only the perfect companion when braving high mountains or stormy seas but also when you are going about your working day. The watch offers multiband 5 radio technology, digital compass, thermometer, barometer, altimeter, black ionised titanium wrist strap and high-quality sapphire glass.
Highlight-Features
- Radio signal reception (EU, USA, Japan)
- Solar-powered (Tough Solar)
- Altimeter up to 10,000 m
- Thermometer/barometer
- Digital compass
- High-low tide indicator
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