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29 October 2020, 03:06 AM | #1 |
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Science behind watch speeding up?
Hi all. Purchased a second-hand Tudor BB36 (9 months old) with ETA movement.
On delivery, it ran consistently around 3 seconds slow per 24 hours. That went on for about 3 weeks. Then, randomly, it started running 0.5 seconds slow. Same conditions, nothing changed. It's been running consistently that way for about 2 weeks... So what's the science behind this? I often here of watches "breaking in", but the general consensus is that they'll slow down, not speed up. Perhaps I gave it a bang that's shifted something in the movement? Sent from my SM-G981B using Tapatalk |
29 October 2020, 03:09 AM | #2 |
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Same story with my DD40 that started slow and continued to slow down (apparent 32xx issue). It went into the safe when I got the SD43 as my daily. Took the DD40 out of the safe about a year later and it's running fast now...
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29 October 2020, 03:32 AM | #3 |
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Magnetization?
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29 October 2020, 03:34 AM | #4 | |
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Quote:
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ICom Pro3 All posts are my own opinion and my opinion only. "The clock of life is wound but once, and no man has the power to tell just when the hands will stop. Now is the only time you actually own the time, Place no faith in time, for the clock may soon be still for ever." Good Judgement comes from experience,experience comes from Bad Judgement,.Buy quality, cry once; buy cheap, cry again and again. www.mc0yad.club Second in command CEO and left handed watch winder |
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29 October 2020, 03:37 AM | #5 |
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ICom Pro3 All posts are my own opinion and my opinion only. "The clock of life is wound but once, and no man has the power to tell just when the hands will stop. Now is the only time you actually own the time, Place no faith in time, for the clock may soon be still for ever." Good Judgement comes from experience,experience comes from Bad Judgement,.Buy quality, cry once; buy cheap, cry again and again. www.mc0yad.club Second in command CEO and left handed watch winder |
29 October 2020, 03:45 AM | #6 |
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For added context, I wear my watch 24/7 (even to bed). I only take it off for a 15 min shower.
So resting dial up etc. is something I don't do. I'm just curious why, all of sudden, this 9 month old watch decides to speed up. If it was new from an AD, say a few weeks old, then I'd understand. But can it really "break in" 9 months later and run fast? Weird. |
29 October 2020, 04:22 AM | #7 |
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Real Name: Larry
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You could check your power reserve now that you have had some time to settle in to a wearing habit.
A watch in the lower half of it's power curve will run slightly faster than a watch in the upper end of the power curve. It doesn't take much to affect the 86,000 plus seconds in every day. Even seasonal temperature changes can affect our watch timing slightly, as we transition into winter/summer.
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