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Old 17 February 2019, 04:29 AM   #1
csaltphoto
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14060m gained 15-20 seconds on a run...

So I have a new (to me) 14060M. I usually hate to wear any watch while running. But the sun was on the way down, I didn't want to open the safe, blah blah. So I wore it. It was my usual run, about 5 miles in 40 minutes. Since it's new to me I have been the usual OCD type about checking it's accuracy and it's just outside of COSC, about +8. Which I am fine with for now. Being a 9 year old watch it's probably due for a service even though it appeared practically unworn when I got it. My plan was to wear it for a year and maybe go for a service.

I've googled the phenomenon and other people have reported it with Rolex. Specifically when running. My question is, "Is this normal?" Is it normal for a Rolex? These are supposed to be rugged/adventure type watches. Or is something off with it?
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Old 17 February 2019, 04:52 AM   #2
Kyle3130
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I run with mine all the time and it does gain time but not more than about a second. Since yours is already +8s/day, I would have it regulated. If that doesn’t do the trick, send it in for a service.
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Old 17 February 2019, 05:21 AM   #3
watchwatcher
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I've found running speeds them up somewhat...though usually not to that degree, though.
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Old 17 February 2019, 05:49 AM   #4
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I run often with my BB36. My understanding is that the jostling of a long jog is not great for the accuracy during the time you are running... however after you are done it should go back to baseline.

I like my runs to be analog, nice time away from modern gadgets and electronics!




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Old 17 February 2019, 05:49 AM   #5
csaltphoto
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Quote:
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I've found running speeds them up somewhat...though usually not to that degree, though.
It might have not been that much. I could have lost track of a day. But at least 10 seconds. Which still seems not right for something this expensive.
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Old 17 February 2019, 06:06 AM   #6
Saaci
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The movement of your arms while running exerts a significant force on the balance. Remember a mechanical watch is run by a very fine oscillating spring. Any large external force is going to affect the precision. Once the force is removed it will go back to keeping time as usual.


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Old 17 February 2019, 06:51 AM   #7
Junior_
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“Your scientists were so preoccupied with whether or not they could, they didn’t stop to think if they should.”

I.e., why run with a Sub?
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Old 17 February 2019, 07:08 AM   #8
csaltphoto
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Quote:
Originally Posted by Junior_ View Post
“Your scientists were so preoccupied with whether or not they could, they didn’t stop to think if they should.”

I.e., why run with a Sub?
Maybe an Explorer would be better suited?

I usually don't. Just did this one time since if I leave it at home it goes in the safe. And why not? It should be able to handle it. Not like I am doing my impression of Usain Bolt out there; just 9 minute miles. Pretty leisurely.
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Old 17 February 2019, 07:26 AM   #9
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I run with an OP39 all of the time, but haven't noticed any impact to accuracy. I'm not all that worried about +/- stuff, though, so I likely wouldn't notice anyway.
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Old 17 February 2019, 08:00 AM   #10
Jmbarrack
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It ran 12-15 seconds fast during the run? Does it still run that fast per day after?

If not, I would say it’s not much to worry about.


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Old 17 February 2019, 08:42 AM   #11
csaltphoto
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Quote:
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It ran 12-15 seconds fast during the run? Does it still run that fast per day after?

If not, I would say it’s not much to worry about.


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Nope. Right back to where it was.
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Old 17 February 2019, 09:28 AM   #12
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From my personal experience, it's normal.
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Old 17 February 2019, 09:32 AM   #13
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With Relativity and all, maybe you were just running ALOT faster than you though!
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Old 17 February 2019, 10:27 AM   #14
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Quote:
Originally Posted by csaltphoto View Post
. . .
I usually don't. Just did this one time since if I leave it at home it goes in the safe. And why not? It should be able to handle it. Not like I am doing my impression of Usain Bolt out there; just 9 minute miles. Pretty leisurely.
Running won't likely hurt it in the short term. Any mechanical watch will react to external forces, that's why it is timed in 5 different positions - it's physics.

Remove the external forces caused by running (walk) and normal timing will return.
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Old 17 February 2019, 11:00 AM   #15
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I don't measure the accuracy but when I've run with my pepsi, it doesn't seem to significantly alter the accuracy.
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Old 17 February 2019, 11:29 AM   #16
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Quote:
Originally Posted by Junior_ View Post
“Your scientists were so preoccupied with whether or not they could, they didn’t stop to think if they should.”

I.e., why run with a Sub?
Why not?
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Old 17 February 2019, 09:57 PM   #17
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M watchmaker calls it the rebound effect . Mine would gain one second on a 3 mile run but my 1680 didn't do it . So explain that ! He couldn't
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Old 18 February 2019, 12:38 PM   #18
csaltphoto
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Quote:
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With Relativity and all, maybe you were just running ALOT faster than you though!
If that was the case time would have slowed relative to me and when I stopped my watch would have run slower!
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Old 18 February 2019, 12:40 PM   #19
csaltphoto
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From my personal experience, it's normal.
Hmmm. Really? I mean I know it's a mechanical instrument and all. But my understanding was that these watches were designed for an active lifestyle.
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Old 18 February 2019, 02:40 PM   #20
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Maybe you’re due for some run stride coaching.
The accuracy anomaly likely means you’re creating more vertical energy (oscillation) and that up-down motion is projecting more upward motion than forward. You’ll notice efficient runners’ heads don’t rise and fall - they are fairly steady. Vertical oscillation is not only inefficient, and you guessed it, wasting energy it is also increasing foot impact forces so it can be debilitating.

You can probably shave a minute or more off your running pace with some coaching and never worry about your watch’s accuracy.


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Old 18 February 2019, 02:55 PM   #21
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My DSSD used to gain 20 sec for 45 mins running. Sub with same movement gained nothing. Go figure b
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