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Old 23 March 2018, 07:51 AM   #1
Whigsvolt
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Rolex Gmy master 2 Magnetism

Hi
I have recently traded a Rolex Gmt 2 2004 Pepsi for Rolex Gmt Ceramic 2010 stainless and have just found that the movent stops when I hold a magnet up close to the second hand. Should I be concerened.

An accurate answer would be appreciated.
Thanks
Keith
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Old 23 March 2018, 08:33 AM   #2
Speedbird-1
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Quote:
Originally Posted by Whigsvolt View Post
Hi
I have recently traded a Rolex Gmt 2 2004 Pepsi for Rolex Gmt Ceramic 2010 stainless and have just found that the movent stops when I hold a magnet up close to the second hand. Should I be concerened.

An accurate answer would be appreciated.
Thanks
Keith
Don't hold a magnet close to your watch!
Otherwise, what's your concern?
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Old 23 March 2018, 08:38 AM   #3
Whigsvolt
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Originally Posted by Lt Virgil Hilts View Post
Don't hold a magnet close to your watch!
Otherwise, what's your concern?
Sorry. I thought the question was straight forward.
I thought the Gmt with the new Parachrom spring made the watch antimagnetic but I just wanted to check with a small magnet and it stopped the movement for a few seconds when I held it up close up.I did not try it again,
So is the 2010 Gmt master 2 completely anti magnetic.
Thanks
Keith
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Old 23 March 2018, 08:42 AM   #4
Likestheshiny
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Quote:
So is the 2010 Gmt master 2 completely anti magnetic.
No. A watch can be less susceptible to magnetism, but it has to be made entirely of novel materials to be completely unaffected by a sufficiently strong magnet.
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Old 23 March 2018, 08:46 AM   #5
Whigsvolt
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Originally Posted by Likestheshiny View Post
No. A watch can be less susceptible to magnetism, but it has to be made entirely of novel materials to be completely unaffected by a sufficiently strong magnet.
Ok Thanks for the definitive reply on my question, you have put my mind at ease.
Many Thanks
Keith
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Old 23 March 2018, 10:11 AM   #6
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Quote:
Originally Posted by Whigsvolt View Post
Hi
I have recently traded a Rolex Gmt 2 2004 Pepsi for Rolex Gmt Ceramic 2010 stainless and have just found that the movent stops when I hold a magnet up close to the second hand. Should I be concerened.

An accurate answer would be appreciated.
Thanks
Keith
Keith

Honestly, I wouldn’t do what you’ve done. Keep the watch away from magnetic sources as much as possible. iPad flip covers by way of example. The parachrom hairspring resists magnetic fields to an extent, but other metals inside the watch will not and as you’ve discovered, a magnetic source can cause them to stick together and stop the watch.
I’ve de-gaussed one of my GMT’s myself because I suspected it was slightly magnetised as proved by a simple test moving a compass around the case to see if it was drawn by the watch head....which it was, slightly. A quick de-gauss restores it back to almost perfect time keeping.
Unless you make the watch out of plastic, you can magnetise practically any mechanical watch, so you shouldn’t be concerned that your experiment stopped the watch, but I wouldn’t make a habit of trying it out.
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Old 23 March 2018, 11:27 AM   #7
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don't do that the watch will implode. :-)
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Old 23 March 2018, 11:56 AM   #8
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Most mechanical watches, with few exceptions, don't take well to magnetic fields. The balance spring can become magnetized, and that will adversely affect the timekeeping. Hopefully your watch hasn't been compromised in this regard. If it is, then it may need to be demagnetizd.
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Old 23 March 2018, 12:13 PM   #9
rebel_1
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With watches and most other mechanical devices, what isn’t helpful is almost always hurtful.
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Old 23 March 2018, 01:06 PM   #10
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You should probably have your watch degaussed or do it yourself.
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Old 23 March 2018, 07:26 PM   #11
Whigsvolt
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Quote:
Originally Posted by GMT Aviator View Post
Keith

Honestly, I wouldn’t do what you’ve done. Keep the watch away from magnetic sources as much as possible. iPad flip covers by way of example. The parachrom hairspring resists magnetic fields to an extent, but other metals inside the watch will not and as you’ve discovered, a magnetic source can cause them to stick together and stop the watch.
I’ve de-gaussed one of my GMT’s myself because I suspected it was slightly magnetised as proved by a simple test moving a compass around the case to see if it was drawn by the watch head....which it was, slightly. A quick de-gauss restores it back to almost perfect time keeping.
Unless you make the watch out of plastic, you can magnetise practically any mechanical watch, so you shouldn’t be concerned that your experiment stopped the watch, but I wouldn’t make a habit of trying it out.
Thanks Mike. I will certainly not do this again but it was mainly due to the fact that this 2010 Gmt 2 ceramic is a trade watch and not like my old watch that was bought direct from the dealer.I was just trying to cover all the angles and make sure everything was ok. The Other thing that threw me was the fact that the warranty card is dated 2014 despite the watch being the last of the G serial nos for 2010 so thought that it was a lon period for it to be lying on the shelves prior t sale. I did take it to my local rolex dealer who said it was fine and legit. Anyway Thanks again Mike. Keith
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