Question about Timex 27191 Wristwatch
My understanding it that a quartz watch relies on a quartz crystal which vibtates or oscillates at a very precise frequency so providing accuracy.
I am told my watch has a failing battery that's why it is slowing down.
Now for that to happen the quartz oscillation must also slow down.
Yet quartz oscillates at a precise and fixed rate. If the battery is failing surely the quartz just stops. It either oscillates at it's fixed frequency or it doesn't.
A fresh battery will get the watch going again.
I have difficulty in accepting a weak battery will slow down a quartz movement.
I would appreciate any comment.
Thank you Brian.
Not often so . beleive you me from an avid fine watch collector . it's the batteries. hopt this helps.
Posted on Jan 24, 2010
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Posted on Jan 02, 2017
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on Jan 11, 2010 | Watches
Oct 10, 2012 | Omega De Ville Prestige Quartz Small...
Standard-quality resonators of this type are warranted to have a long-term accuracy of about 6 parts per million at 31 degrees C (87.8 F): that is, a typical quartz wristwatch will gain or lose 15 seconds per 30 days (within a normal temperature range of 5 deg C / 41 F to 35 deg C / 95 F) or less than a half second clock drift per day when worn near the body.
If a quartz wristwatch is "rated" by measuring its timekeeping characteristics against an atomic clock's time broadcast, to determine how much time the watch gains or loses per day, and adjustments are made to the circuitry to "regulate" the timekeeping, then the corrected time will easily be accurate within 10 seconds per year. This is more than adequate to perform celestial navigation.
Assuming that you have a computer with internet-synced time and good internet, meaning around 1/100 second accuracy, why not compare the watch to the computer over the space of a week?
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