Citizen Radio controlled watches... - Seiko & Citizen Watch Forum Japanese Watch Reviews, Discussion & Trading
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Old 06-07-2010, 01:30 AM   #1 (permalink)
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Default Citizen Radio controlled watches...

Do they work in Europe or not? Sorry for all the newbie questions but in some posts I read they only receive a signal in Japan. But then I also read about signals transmitted from the USA & Germany. I guess it depends on the model then; but which models recieves where and why would you make different receivers? Is the receiver for world wide receiving more expensive? Anyone knows the truth about this? Thanks!

So is it only this:



Or also:


Or does it depend on the model (and why would that be?)
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Old 06-07-2010, 01:43 AM   #2 (permalink)
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Default Re: Citizen Radio controlled watches...

You might find some answers here:

http://mygshock.com/wiki/Atomic_Sync_Signal
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Old 06-07-2010, 02:13 AM   #3 (permalink)
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Default Re: Citizen Radio controlled watches...

there are models that only work in Japan, some that only work in Europe, and most that work in the US, EUR, JPN, and CHN


It does depend on the model, because some are sold only for specific markets.

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Old 06-07-2010, 02:32 AM   #4 (permalink)
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Default Re: Citizen Radio controlled watches...

This is an example of a watch that either syncs in Japan only or in Europe only. No multi sync zone ???



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Old 06-07-2010, 02:47 AM   #5 (permalink)
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Default Re: Citizen Radio controlled watches...

Thanks all. Learning more every day on this forum.

I think the watch I am aiming for (as a second choice, because the 'Ray Mears'' citizen PMU56-2373 is very hard to find.)
will receive only in Japan, as I can only find this PMB56-2883for sale there.

http://www.amazon.co.jp/CITIZEN-%E3%.../dp/B000GID5YE
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Old 06-07-2010, 04:06 AM   #6 (permalink)
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Default Re: Citizen Radio controlled watches...

Quote:
Originally Posted by Time
This is an example of a watch that either syncs in Japan only or in Europe only. No multi sync zone ???


[img]
[img]
Boo! I like this one, too.
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Old 06-07-2010, 11:23 AM   #7 (permalink)
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Default Re: Citizen Radio controlled watches...

In order for a Citizen Radio Controlled watch to be able to support multiple frequencies, the movement must be fitted with "Perfex Multi 3000". Currently, there are only 3 calibers in existence that support global atomic clock radio signal sync for the following world locales:


USA (WWVB)
Europe (Germany DCF-77)
Japan (JPY 40/60)
China (BPC)


The calibers in question are:


U600 Ana-digi used in the popular Skyhawk AT, Blue Angels Skyhawk, Promaster Carbon diver AT and the Japan market Attesa ATV 2834 series watches:


Skyhawk AT 3rd generation (Discontinued in Japan domestic market):


[img]


Blue Angels Edition Skyhawk AT:


[img]


Japan market Citizen Attesa ATV 2834 series (Recently discontinued):





Promaster Carbon AT diver:


[img]




The U600 was first introduced in 2007, has a 2.5 year total power reserve and can radio sync in the USA, Germany and Japan only. The U600 was recently discontinued in Japan and is being replaced by the updated U680 module.




Here are some U680 watches. Functionality is virtually the same as the old U600 with 2 key exceptions..... U680 watches can sync in China (In addition to all other supported locales) and has a 3.5 year total power reserve. The U680 is not currently offered by Citizen in the United States and can only be found in Japan market Citizens and some export versions of the Attesa U680 Jet Setter series.


Some examples....


Citizen Attesa ATV53-3022:


[img]


Citizen Promaster Sky PMV65-2271:


[img]


Citizen Attesa Sport (Recently discontinued in Japan and available in a few select export markets):


[img]




Citizen in 2009 introduced the H610 "global" radio controlled analog caliber. The H610 is fitted with "Perfex Multi 3000" and can sync in USA, Germany, Japan and China. It features a 4.5 year power reserve, world time for 26 cities, 24 hour alarm, 1/5 sec 60 minute chronograph, perpetual calendar. The H610 is Citizen's current "Flagship" radio controlled caliber. It first debuted in the Summer of 2009 in Japan and in the fall of the same year for export markets.


Here are some notable Citizens that currently offer the H610 (And the H611) calibers:


Japan market Citizen Attesa ATD53-3011 "Direct Flight":


[img]


Citizen Chrono-Time AT Limited Edition (US, Canada, UK, Ireland markets):


[img]


Japan market Citizen Promaster Sky H610 PMD56-3022:


[img]


Citizen Series 8 model 804 model CNS72-0041 (Japan market):


[img]




Citizen Exceed EBS74-5104 (Japan market):


[img]




Beyond the above calibers, at present, there are no others capable of syncronizing in north america. Citizen will release in the fall a new series of 3 hand analogue radio controlled calibers that will offer multi-band support. Very little is known about these. They could either be existing Japan market calibers that have been added Perfex Multi 3000 chip in their modules or brand new calibers specifically developed for export markets. We won't know any further details until around October-November timeframe.


Hope this helps.
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Old 06-07-2010, 02:32 PM   #8 (permalink)
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Default Re: Citizen Radio controlled watches...

This certainly helps a lot, great info Minidriver!
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Old 05-31-2015, 02:00 AM   #9 (permalink)
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Smile citizen skyhawk synchronises in australia

my citizen ecodrive Skyhawk synchonises in 2 locations in South Australia.
This is 8000 km from Japan. Aligned 9-3 axis slightly West off magnetic North. Reasonably quiet electrical locations. Signal L, detected location Japan.
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Old 05-31-2015, 07:37 AM   #10 (permalink)
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Quote:
Originally Posted by mlpinaus View Post
my citizen ecodrive Skyhawk synchonises in 2 locations in South Australia.
This is 8000 km from Japan. Aligned 9-3 axis slightly West off magnetic North. Reasonably quiet electrical locations. Signal L, detected location Japan.

That's insane. I've heard of people getting signal in Australia.
I thought it was limited to Brisbane or East coast at least.
Did it take you long to find a signal point?
Any tricks..I live in Newcastle NSW?
Might be experimenting again.
Cam
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Old 06-01-2015, 05:40 AM   #11 (permalink)
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Hi , I have 2 Citizen A-T Watches...The first is a Blue Angels H800 World Chronograph which Citizen says receives from 5 signal stations world-wide...2 in Japan and 1 each in the USA , Germany , and China .
The second is an E650 Perpetual Chrono Titanium which Citizen says receives from 2 signal stations world-wide..1 in the USA , and 1 in Germany .
I live in Hawaii and don't receive any of the signal stations . So to get around that I have a Citizen F100 Satellite Wave Titanium which receives a satellite signal almost immediately.... with-in a few seconds .



Screen shot 2015-05-31 at 10.31.49 PM.png



Screen shot 2015-05-31 at 10.33.15 PM.png


Screen shot 2014-12-07 at 2.06.33 PM.png
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Old 08-23-2015, 01:20 PM   #12 (permalink)
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Default Citizen Men's JY8035-04E "Navihawk"

I am new to this and have a question: does the radio control only work in the northern hemisphere?

As I live in the southern hemisphere this is a concern - South Africa

Thank you to whoever can enlighten me.
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Old 01-12-2017, 03:18 PM   #13 (permalink)
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Wow. New to this as well and it is a bit confusing. Will keep educating myself on these very informative posts. Thx
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Old 11-09-2017, 05:39 AM   #14 (permalink)
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I picked up a Citizen with the H800 movement off of Ebay, for about sixty bucks, from the pic it appeared to have some water damage, bit of rust near the stem area. Got a new capacitor, it ran, but no hour/minute/24 clock. So, took off the back circuit cover, the circuit, and found a rusted out screw, not essential, cleaned that all out, then removed a bridge cover, bits of rust lodged into one of the rotor bays. Cleaned that out, and it runs just fine. HOWEVER, I also live in Hawaii, a little disappointed that we can't receive the radio signal.

Guess I'll have to rely on the coconut wireless. It's worked wonders for decades
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Old 11-09-2017, 06:29 AM   #15 (permalink)
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I've got a skyhawk AT (600 movement) - it syncs well in South London (UK)
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Old 11-09-2017, 06:30 AM   #16 (permalink)
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Quote:
Originally Posted by atlex View Post
I've got a skyhawk AT (600 movement) - it syncs well in South London (UK)
Outside of places with actual radio reception for the signal, you'll want a watch that does GPS for timing, or have to find another solution.2
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Old 11-28-2017, 06:43 PM   #17 (permalink)
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Picked up another Citizen Skyhawk AT, this one appears to be syncing to the Colorado NIST signal. Their coverage map indicates that Hawaii is covered by the WWVB transmitter, albeit not by much, and is best at around 6-8pm Hawaii time.



Aloha from Maui, ka moku wa'ole
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