Question about Seiko SKX173 Wrist Watch
My Seiko SKX173 runs 15-20 minutes fast per DAY. The manual states that it may lose/gain 15 to 20 seconds per month. Please assist.
If your caliber is automatic 7s26b something is wrong with the hair spring try a seiko service center anyway isnt something that you can fix by yourself!beware!far away from jewelers and local battery changers and other monkey magicians!automatic watch calibers are delicate and they ruine them!
Posted on Jun 06, 2010
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Jul 18, 2014 | Watches
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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