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Video of a large magnet being dropped onto aluminum: http://www.youtube.com/watch?v=iABmUEH5s0k http://www.youtube.com/watch?v=iABmUEH5s0k

• dhimes 15y ago
  I wonder if anything happened to the guy's watch? It looks like a movement piece rather than digital.
  • Jun8 15y ago
    I think you can wear a steel watch around a strong magnet, there will be little magnetic filed penetrating the outer body. AFAIK, gold watches are not recommended.
    • dhimes 15y ago
      I had no idea the magnetic screening was so effective.