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Jared,

There is actually a COSC chrononometer certification for Quartz watches,
but I didn't succeed to find what are the requirements.

Regards

Pierre

Jared Sherman a ?crit:
>
> Vic-
>  Acutally, the term "chronometer" no longer refers to a reliable time
> source. AFAIK: Technically, if a watch passes an actual timekeeping test a
> chronometer certificate can be awarded to that individual watch--certifying
> that it can keep time to better than 2 minutes per day. That was good, for a
> Rolex in 1957. It was obsoleted in the 60's by the Accutron (a mechanical
> watch with an electronic heartbeat) which was never given certification but
> was guaranteed to better than two minutes a day simply as a sales point.
> (One minute was typical, and easily reached.) And then the quartz watches in
> the 70's made one minute a month easily possible--if you had a better quartz
> watch that offered any provision for adjusting the rate. The cheaper ones
> didn't and don't.
>
> Now that sub-minute accuracy is easily achieved....Perhaps we need to
> petition the Swiss (ahem) for a new standard with a new name? Chronometers
> are *so* fifties.

   

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