Re: "atomic" watches...

Junghans Ceramic. I will gain 1 second per day if it is not receiving a
signal. This is really bad for a quartz watch. I have a $20.00 Casio that is
much more accurate.

"Jack Denver" <nunuvyer@xxxxxxxxxxxx> wrote in message
news:rrCdnSlqfvAxhnTfRVn-vg@xxxxxxxxxxxxxx
> Since crystals that are good to 1/2 sec/day are found in watches that
> retail for under $5, I doubt that they are skimping on the oscillator.
> Rather, I'm guessing that the one that you have is syncing incorrectly or
> is defective. Most RC watches are good to at least 1/2 sec/day without a
> sync signal.
>
> What brand of RC watch do you have?
>
>
>
>
> "Mij Adyaw" <mijadyaw@xxxxxxxxxx> wrote in message
> news:yH8Ge.27059$bp.22627@xxxxxxxxxxxxx
>> They are also EXTREMELY INACCURATE when they do not receive a signal for
>> several days. Since they are radio controlled, they cut cost on the
>> internal oscillator and therefore it drifts excessively.
>>
>>
>> "Jack Denver" <nunuvyer@xxxxxxxxxxxx> wrote in message
>> news:8s6dnbnij8kwmHTfRVn-gw@xxxxxxxxxxxxxx
>>> These watches are not "atomic" at all but rather radio controlled.
>>> Each country that broadcasts a time signal has its own radio time signal
>>> transmitter and these differ as to frequency, signal code, etc. So a
>>> "US" only model RC watch would not work if you moved out of range of
>>> the US transmitter in Boulder, Colorado. There are some
>>> "multi-frequency" watches available that pick up the Japan and German
>>> signals as well (the other main signals). I don't know whether OZ is in
>>> range of any signal.
>>>
>>> The watches do automatically compensate for DST.
>>>
>>>
>>>
>>> "Ian Kirby" <ijk@xxxxxxxxxx> wrote in message
>>> news:42e8388c$1@xxxxxxxxxxxxxxxxxx
>>>> Hi people,
>>>> Will a watch purchased from, say, the USA, which has its time
>>>> maintained by pulses from an atomic clock somewhere in the USA also, be
>>>> useable elsewhere in the world? What happens when one moves from one
>>>> time zone to another, and do they have automatic compensation for
>>>> daylight saving time?
>>>> Thanks, Ian Kirby.
>>>> Wollongong NSW Australia
>>>
>>>
>>
>>
>
>


.

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