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Discussion Starter #1
I was working with really strong neodymium magnets and forgot that i was wearing my automatic watch (ordinary Seiko 5, nothing special but it looks nice and was very accurate for a 7S25 movement). And then one of the magnets snaped to my watch while i was working. Now, ever since that happened, my watch is way too fast and goes 5 minutes ahead in just 2 days (before this happened, it used to gain only like 2 minutes in ~3-4 months).

Any idea what should i do? I really like this one but i'm afraid that i permanently ruined it. I thought it's entirely made out of stainless steel which shouldn't be affected by magnetism, but it seems it's not. I was thinking of getting the case opener and try to slighly nudge the +/- setting back so i would slow it down a bit. Though i'm not sure what the magnet has actually affected in the watch itself to know if this would help.
Any idea or directions greatly appreciated. Thx
 

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+1 for demagnetizer.
this is the proper, cheap and easy way to eliminate magnetic efect on anything (your watch included).
 

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A demagnetizer should work. I had a very powerful magnet that I set a watch of mine near (about 18 inches) and my watch went fast about 1 hour every 15 hrs. My watch was magnetized too much for a demagnetizer so I had to have the watch overhauled and as part of that process each individual piece of the movement was demagnetized.
 

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Overcoming magnetism is one of the goals in trying to attain isochronism. It has been troubling since the beginning of watches. Most likely what has happened to your watch is the hairspring has become magnetized. When this happens individual coils 'stick' to each other. Now we have a hairspring with one fewer coil. This has effectively shortened the hairspring. A shortened hairspring will cause the rate to increase and the watch will run fast, sometimes very fast. The solution to your problem may be as simple as demagnetizing your watch, a function watchmakers perform regularly as this is a common problem. The mechanism is typically an electromagnet that when a momentary push button is activated sends a magnetic pulse through the watch. There are other problem scenarios but this is the most common. Quick fix sometimes. Resist opening your watch and adjusting something you do not understand thoroughly. Find a watchmaker and deal with it in the proper manner please or you may worsen your troubles. Michael
 

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Discussion Starter #6
How much does the demagnetization cost? I assume it can't be too expensive as its a few second job. But i won't go as far to demagnetize every cog in it since that would be far more expensive than the whole watch...
 

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How much does the demagnetization cost? I assume it can't be too expensive as its a few second job. But i won't go as far to demagnetize every cog in it since that would be far more expensive than the whole watch...
You can buy one for as cheap as $7.00 USD or so on that auction site.
 

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STOP IT!

Find a watchmaker. This is not a "go out and buy a tool" problem, this is find an experienced repair person that will examine the whole watch to see if your watch requires more than demagnetizing. The watch is not dismantled and could be demagnetized without even opening it. After all, you magnetized it without opening it. Not my point actually, my point is the watch requires professional attention. If demagnetizing is the only need it should be inexpensive. Should a watchmaker need to fix something you screwed up, that is expensive. Stop this nonsense about buying a 7 dollar tool. This isn't about tools, it is about experience. You don't have any so go pay someone for some. End of rant!
 

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Discussion Starter #9
You also have to understand that this watch was just 110 EUR. If repair is half its price, it's not worth it imo. If demagnetizing will cost 10 EUR, then i'll take the offer. Disassembling and demagnetizing would only make sense if it's a 500+ EUR watch...
 

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You may be correct, the OP's issue may or may NOT be fixed with $7 tool.

That said, we are not asking him to try $100 tool. We are talking about a useful tool that is very cheap.

I say invest that $7 and try it out. If it fixes the issue you have, that would be wonderful. If not, then you are only out $7 and still have a useful tool that you can use around the house.

If it does NOT fix it, then it is time for one to think whether it is worth their time and money to seek professional help.
 

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Discussion Starter #11
All ask at the watches workshop, maybe they'll demagnetize it externally for free or for a very very small fee.
 

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All ask at the watches workshop, maybe they'll demagnetize it externally for free or for a very very small fee.
Yep. My guys always do it for free. Takes like 10 seconds and I'm on my way. Watchmaker though, not jewelry store or something.
 

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STOP IT!

Find a watchmaker. This is not a "go out and buy a tool" problem, this is find an experienced repair person that will examine the whole watch to see if your watch requires more than demagnetizing. The watch is not dismantled and could be demagnetized without even opening it. After all, you magnetized it without opening it. Not my point actually, my point is the watch requires professional attention. If demagnetizing is the only need it should be inexpensive. Should a watchmaker need to fix something you screwed up, that is expensive. Stop this nonsense about buying a 7
dollar tool. This isn't about tools, it is about experience. You don't have any so go pay someone for some. End of rant!
Yup. Do you suppose he could have banged it against something while working near the magnet?
 

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You may be correct, the OP's issue may or may NOT be fixed with $7 tool.

That said, we are not asking him to try $100 tool. We are talking about a useful tool that is very cheap.

I say invest that $7 and try it out. If it fixes the issue you have, that would be wonderful. If not, then you are only out $7 and still have a useful tool that you can use around the house.

If it does NOT fix it, then it is time for one to think whether it is worth their time and money to seek professional help.
Why spend 7$ when I know the watchmaker can fix it? It is not a good repair philosophy to throw money at a watch to see if it might fix it. As others have stated, many will demagnetize a watch for free. With the proper equipment which a 7$ magnet is not.
 

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Discussion Starter #15
After researching a bit you basically need either an AC powered coil or a set of rotating magnets, again powered by AC. So what i did was turn on a 800W blender, placed watch next to the motor for few seconds and slowly moved it upwards away from the motor while it was still running.

It was a long shot but to my surprise it seems to work. I've treated it yesterday and so far it's still in sync with my PC and smartphone. Before it would go out of sync for 1 minute by now for sure. Will keep on checking it for a while to see how it behaves...
 

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Yup. Do you suppose he could have banged it against something while working near the magnet?
stuck spring on a 7s26? wink wink
 

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stuck spring on a 7s26? wink wink
Or just banging it can make the escapement run a hyperspeed for a moment. All the wearer sees is the watch seems to be running much faster. A good watch repair shop will both solve simple problems like this quickly and prevent one from buying tools that will in all likelihood sit unused.
 

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Discussion Starter #18
I went to a small local watchshop 2 days ago, the guy treated it with demagnetizer in 10 seconds and now, 2 days after, it's still keeping a perfect sync with my smartphone and PC time. It's probably losing or gaining some like any automatic, but it's my good old accurate Seiko again :D I'm so happy now :D
 

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I went to a small local watchshop 2 days ago, the guy treated it with demagnetizer in 10 seconds and now, 2 days after, it's still keeping a perfect sync with my smartphone and PC time. It's probably losing or gaining some like any automatic, but it's my good old accurate Seiko again :D I'm so happy now :D
Good to hear it's working again, how much did it cost you?
 

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Discussion Starter #20
He didn't charge anything, but i gave him for a drink anyway. :)
 
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