Greubel Forsey Chronometry Competition Win
Independents

Greubel Forsey Chronometry Competition Win

By 219 · Mar 28, 2013 · 34 replies
219
WPS member · Independents forum
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Andrew (219) offers a fascinating look into Greubel Forsey's participation and triumph in the 2011 Chronometry Competition. He explains why this victory held particular significance for Robert Greubel and Stephen Forsey, tracing its roots back to the historical observatory timing contests that pushed horological boundaries. Andrew details how Greubel Forsey's Experimental Watch Technology (EWT) played a crucial role in developing and validating their innovative designs, ultimately leading to their success.

Despite winning at the Prix Gaïa for “Entrepreneurship” in 2009 and the Aiguille d’Or for best overall watch at the Grand Prix d’Horlogerie de Genève in 2010, winning at the newly established Chronometry Competition (http://www.concourschronometrie.org/2013/FR/index.php) meant more to Robert and Stephen than any other. These days, something of an anachronistic event, the Chronometry Competition harked back a half-century or more, when watches were racing machines in an endurance duel against the heavens. The earth’s rotation on its celestial path was the only known immovable timing device that kept time to the minute and second. Observatory timing contests were the horology equivalents of Grand Prix auto racing and the major watch firms of the day spent considerable resources on developing a winning watch. When Greubel Forsey had started off their fledgling enterprise, one of the first units they established was the EWT (Experimental Watch Technology). The EWT was designed to bring experimental conditions to the implementation of new inventions so the watchmakers could know the difference an invention made and if it improved chronometric performance. (http://general.watchprosite.com/show-nblog.post/ti-506881/fi-662/). As part of the EWT process, Robert and Stephen developed their own series of timing tests for the watches containing their inventions.

This message has been edited by 219 on 2013-03-28 12:50:27 This message has been edited by 219 on 2013-03-28 12:50:48 This message has been edited by MTF on 2013-04-03 00:50:46

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The Discussion
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219
Mar 28, 2013

Observatory competitions, before the quartz crisis had been the endurance car-racing equivalent for the watch industry. An often drawn analogy with the automotive world would be to think of the Observatory tests as being akin to the Le Mans 24 Hours. Only the difference here is that you cannot work on the watch during the racing. You can only pre-test as much as possible, but as the Observatory tests are being conducted, you can only hope that the watch both survives, and does not drop too many

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219
Mar 28, 2013

Despite being a late entrant into the 2009 Chronometry Competition, the Greubel Forsey Quadruple Tourbillon still acquitted itself with honours. Where as some entrants had spent time and resources preparing watches for the competition, the Greubel Forsey watch had simply been pulled out of the finished watches and sent to the competition to be entered. No special work, no consideration of the difference in tests between the EWT and the Chronometry Competition test description, and no testing bef

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219
Mar 28, 2013

For the 2011 Chronometry Competition, and with some time to prepare, Greubel Forsey went about being rigorous in their preparation, understand the tests, and adjust a watch accordingly. As a precursor, and as a way to answer critics who had previously questioned their methods, the EWT tests and weighting were published () and Greubel Forsey went about understanding how the various elements for the MIH testing would affect the watch. This time, the watch selected from the Greubel Forsey line up w

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219
Mar 28, 2013

Greubel Forsey were putting their watches where their claims were! That they could show that the Double Tourbillon 30 degree (as described: one cage rotating at a four minute cycle; one cage rotating at a one-minute cycle; and the escapement inclined at 30 degrees to the vertical) improved the chronometric performance of the watch throughout the five measuring positions. Added into the mix would be the anti-magnetic and shock tests that previously had not been part of the Observatory tests, but

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219
Mar 28, 2013

Given all the research that Greubel Forsey undertook on Observatory timing competitions from the past, in understanding the factors that were important to escapement timing adjusters, would the Double Tourbillon Technique beat all comers if it was possible to assemble all the great watches and calibres over time? It is difficult to compare timing competition tests over time, however, from the formulas that Greubel Forsey found in the archives, if the timing data is entered and a score computed,

RO
Ronald Held
Mar 28, 2013

Not impressive, more like under 5s/y. BTW do high scores at these competitions translate to better chronometric behavior on the wrist?

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