[time-nuts] Casio Watches 13 Year Drift in Seattle

Bryan _ bpl521 at outlook.com
Mon Jun 29 02:42:36 EDT 2015


But wouldn't normal watch wear just balance itself over time, one wears their watch for say 12 hours and the rest it sits on a counter at a much colder temperature. So wonder if Casio would actually go to such lengths to compensate. Maybe, interesting though.

-=Bryan=-

> From: kb8tq at n1k.org
> Date: Sun, 28 Jun 2015 20:41:15 -0400
> To: time-nuts at febo.com
> Subject: Re: [time-nuts] Casio Watches 13 Year Drift in Seattle
> 
> Hi
> 
> Just to clarify:
> 
> In the “art” the watches all ran fast rather than slow. They *would* have run slow if the
> room temperature / skin temperature delta was an issue. Since they did not, one assumes 
> that Casio digitally compensates this model (and probably all their watches).  The typical 
> watch tuning fork will shift more than the observed delta when run in a cold court house if 
> un-compensated.
> 
> By far the best explanation is the “set to deliberately run fast” one.
> 
> Bob
> 
> > On Jun 27, 2015, at 8:19 PM, Jim Palfreyman <jim77742 at gmail.com> wrote:
> > 
> > My Casio g shock keeps extraordinary time. I did open it up and tune it,
> > but still I'd expect it to drift.
> > 
> > After 6 months untouched I still can't separate by eye the second from UTC.
> > 
> > Also, with regard to the video's query about all the clocks running slow -
> > they have been tuned to run at the temperature of a person's wrist.
> > 
> > On Sunday, 28 June 2015, John Stuart <j.w.stuart at comcast.net> wrote:
> > 
> >> I think there may be a new Time-Nut in the Seattle area, , ,
> >> 
> >> Art, Engineering and Justice - how accurate is a Casio watch?
> >> <https://www.youtube.com/watch?v=hwOMUhS8gV0>
> >> 
> >> 
> >> 
> >> John, KM6QX
> >> 
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