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donald wilson Wrote:Thanks, Jack, for this informative post!But how do you suppose all that dust entered the watch's interior if it was on a watch winder most of the time? Cheers!Donald
Last edited: 2013-10-08T19:44:17
Last edited: 2013-11-18T19:07:37
WatchJunkie Wrote:Why would the weight be grinding on other parts during movement? This does not sound mechanically sound?
Last edited: 2013-10-09T17:14:43
Cheers Greg ChalkCvanwhite at aol dot com
Last edited: 2014-03-23T16:57:13
jfsuperior Wrote in reply to:WatchJunkie Wrote:Why would the weight be grinding on other parts during movement? This does not sound mechanically sound?A 7-day power reserve watch has an extra large barrel with a very long and strong mainspring. This is to ensure that there's enough power transmitted once fully wound to last seven days.When the watch is in its fully wound stage then the constant additional automatic winding, from a large mass oscillating weight, generated on a winder puts enormous stress and premature wear on the pawl levers engaged with the automatic windup wheel. This in turn causes these parts to rub stubbornly against each other producing dust particles.It might be comparable to accelerating the gas pedal on a car when it's blocked from moving. Needless to say the tires could wear out rapidly if done long enough in such a manner.Therefore, I would suggest that it's better to hand wind these model watches to full power reserve every seven days unless it's worn on a regular basis at least every few days.Hope this answers all of your concerns and questions.Regards,Jack Freedman
Last edited: 2016-06-08T10:04:26
The UK Greg Wrote:JackRe the 5000 calibre series. For those in love with them and wearing them 365 days a year, is this condition of dust going to be prevalent under normal wearing?
Last edited: 2015-01-22T08:48:06
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