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5 August 2023, 10:35 AM | #1 |
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Accuracy during flight
Today, I flew about 5 hours. Lost 5 minutes on my 124060. Is it normal to lose that much time to the variation in air pressure during a flight?
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5 August 2023, 10:45 AM | #2 |
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No.
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5 August 2023, 10:49 AM | #3 |
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A follow up question would be: what has been (is) the accuracy during a normal (non-travel) day?
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5 August 2023, 10:53 AM | #4 |
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The mainspring (if properly wound) does not count on gravity to keep good time. Flying at less than 36,000 feet provides nearly the same gravitational force anyway, so I don’t see how flying has anything to do with your watch’s ability to keep accurate time.
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5 August 2023, 10:54 AM | #5 |
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Did you change time zones?
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5 August 2023, 10:56 AM | #6 |
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Definitely not normal.
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5 August 2023, 11:08 AM | #7 |
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Were you traveling near the speed of light?
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5 August 2023, 11:12 AM | #8 |
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Oh no not only do we have to worry about low amplitude, but now high altitude lolololol
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5 August 2023, 11:15 AM | #9 |
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5 August 2023, 11:15 AM | #10 |
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Did you go through magnetometer in security? My Rolex has no issues with one but my PP goes crazy even when I use a particular laptop.
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5 August 2023, 11:30 AM | #11 |
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Shouldn't matter, cabin is pressurized.
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5 August 2023, 11:48 AM | #12 |
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Right.
Airliners typically maintain a cabin pressure of around 8,000 feet MSL flying at the airplane's service ceiling (usually around 40,000 feet MSL). I fly an unpressurized single engine airplane cross-country at altitudes up to 10,000 feet without supplemental oxygen and my watches (usually a GMT II) maintain the same accuracy as when at sea level. So no, it's not normal to lose time due to flying.
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5 August 2023, 11:58 AM | #13 |
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Another 32xx story.
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5 August 2023, 12:11 PM | #14 |
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I fly over 130 hours a month as a commercial airline pilot. My BLRO is spot-on. Just like on the ground.
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5 August 2023, 12:12 PM | #15 |
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5 August 2023, 12:33 PM | #16 |
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Just a thought... When traveling and changing time, I have on occasion accidentally set the watch either 1 hour or 5 minutes fast or slow not paying attention.
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5 August 2023, 12:39 PM | #17 |
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5 August 2023, 02:27 PM | #18 |
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Could be the case? Will monitor it over the next few days. Hopefully not a 32XX issues.
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5 August 2023, 02:48 PM | #19 |
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Hopefully it’s just a one off but definitely shouldn’t be doing that
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5 August 2023, 03:47 PM | #20 | |
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Quote:
I could see credit 130 with premium trips or overrides, but not actual flight hours. If so, you're a madman! I'm done at 80 hours, I leave the airport like Fred Flinstone left the quarry. |
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5 August 2023, 04:55 PM | #21 |
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Whatever the cause it won’t be the altitude or the flight.
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5 August 2023, 08:30 PM | #22 |
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Most probably a owner error as flying in a airplane in will not effect a watch.
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5 August 2023, 08:56 PM | #23 |
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5 August 2023, 09:02 PM | #24 |
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5 August 2023, 09:04 PM | #25 | |
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Quote:
Even the worst 32xx issues aren't 1 minute per hour (without being aware prior)
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5 August 2023, 09:15 PM | #26 |
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I have lost a few seconds on a long haul flight a few times when I used to travel for work.
A neat 5 minutes over a relatively short period of time sort of sounds like operator error at some point Did you change the time at some point prior? |
5 August 2023, 09:18 PM | #27 |
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Were you flying near Bermuda, by chance?
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5 August 2023, 09:51 PM | #28 | |
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Quote:
Or maybe this. Back in the late 1960s when Seiko movements were spanking the Swiss to the extent that Omega were putting up quartz against Japanese mechanicals, Seiko would fly their movements to Swiss chronometer competitions as close to the Equator as possible to avoid Polar magnetic fields.
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5 August 2023, 10:18 PM | #29 |
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It would have to be a fast plane, a very, very fast plane…
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5 August 2023, 11:15 PM | #30 |
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A big NO!
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