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Looks like some will end up investing in demagnetisers! :-)...

 

Thanks Kong for this interesting experiment. In an increasingly wired society, we clearly forget that everywhere around us there are fields of magnetism. I use laptops regularly - but fortunately they spend most of their time in docking stations at home or office. But unconciously I take off my watches anyway to stop them from scratching on the surface of the notebooks anyway. Thank goodness.

This makes me think about all the different things we do that exposes us. Like my wife using her hairdryer?

BTW - the distance of the compass from the top of the wrist to the surface of the keybard on the PC is further than the motor of a small watch winder from the watch. May be you could try out the compass experiment on a watch winder?

CHeers

Harry

 

 

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27 Comments view entire thread 

* Magnetism, Have We Missed Out The Obvious? Laptop-Users Be Aware!

 
By: Kong : January 26th, 2008-10:33
Upon reading the thread about Magnetism Effect from Watch-Winder "Navel Gazing - A Question for Watchmakers and Engineers..." by Harry Tan, I suddenly remembered there is a question I've always wanted to share and ask. The little experiments and photos we...  

I am keeping my watches

 
By: Bill : January 26th, 2008-10:42
But throwing out my lap top. LOL. Only kidding. Lucky for me I am right handed so I don't have to worry about cell phone magnetism. Thanks Kong for the great report and the bad news. Bill

thanks Kong. i spend a lot of the day using my laptop and

 
By: G99 : January 26th, 2008-12:35
wearing 2 watches i am willing to accept time gain or loss although i havent actually noticed any. but does it do any damage to the watches themselves? Graham

I knew that there was a practical aspect...

 
By: Tony C. : January 26th, 2008-14:21
to my collecting vintage IWC Ingenieurs! Thanks for the interesting post. Tony C....  

Kong, useful information. Thanks

 
By: ling5hk : January 26th, 2008-19:18
Apart from laptop, handphone also has very strong magnetic field. I haven't done any experiment. Don't know how actually it will affect the watch when you hold your handphone with the same hand. Regards Ling

Knows the source of the magnetism & avoid close proximity...

 
By: Kong : January 27th, 2008-10:19
The distance between the handphone and the phone is far, so has no effect, except when ....you placed your watch side-by-side with your handphone. The strongest magnetic field is at the earpiece (the speaker)! I believe in taking precaution.... a few of o...  

Doubt so...a soft iron cage also has 'weak points' like....

 
By: Kong : January 27th, 2008-10:29
the date-window, the hole/s of the hands (hr, min, sec) and the crown. It depends on the strength of the magnetic source So prevention is better. Kong

Hmmm . . . some of my favorite watches are . . .

 
By: Dr No : January 27th, 2008-08:48
. . . the Ingenieur, Milgauss, and Railmaster, both vintage and modern . . . I thought it was primarily for aesthetic reasons, but perhaps there was a magnetic subtext as well . . . curiously, Art

Thanks, Kong, great detective work!

 
By: ThomasM : January 27th, 2008-20:43
I'm particularly sensitive to magnetic fields, and get a headache just from using cell phones - a bona fide, wave pressure migraine just from having an active cell phone operating near my head/ears. But it is a good idea to note that EMI and RFI are relat...