[time-nuts] Casio Wave Ceptor wrist watch - quick accuracy test

Jim Palfreyman jim77742 at gmail.com
Mon Jun 11 19:30:25 EDT 2018

I posted about my G-shock watch on this forum probably about 10 years ago.
Go look them up. I found mine superbly accurate and being in Tasmania I
cannot connect to any LF service. After a while it started to get a little
worse and I found you can take the back off and calibrate it.

My rechargeable battery has just started to fail and so I've ordered a new


On Mon, 11 Jun 2018 at 18:20, Esa Heikkinen <tn1ajb at nic.fi> wrote:

> Hi!
> There seems to be some kind of comeback going on with 80's style digital
>   watches. You may find replicas of some 80's models or even re-makes of
> the original models from original manufacturer.
> So I decided to get one. As a time-nut my primary goal was to have radio
> controlled 'atomic' model. So I ended up to Casio Wave Ceptor
> WV-59DE-1AVEF. There's many models available from basic digital models
> like this to very nice ones with with full titanium body (analog style).
> But because of the 80's is hot it had to be digital...
> Wave Ceptors suport all time signals formats (US, UK/German and Japan)
> and correct standard is automatically selected when home city is set.
> One of the first things to do was to test the accuracy with radio
> syncronization turned off. Correct time was fist set with DCF77. Then I
> switched off the synconization. After beign about three days off there
> was no significiant visible error on time. In the video we can see
> however about one frame error, which means about 40 milliseconds. Still
> that's pretty good result for wrist watch. Also, the syncronization will
> occur once per day when the reception is good.
> So the watch must be at least calibrated in the factory. Don't know if
> the watch performs any kind of self-calibration according to radio
> syncronization results, most likely not - but it would be technically
> possible.
> So far so good, it's accurate enough - at least as new. When
> syncronization is turned on, there should never be visible error on time.
> Here's my test video:
> https://www.youtube.com/watch?v=_A23buFeHd0
> --
> 73s!
> Esa
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