Does anyone know if going through the airport metal detector and or the X-ray machine magnetizes the watch movement ? I'm hesitant to take my mechanicals on trips due to this concern. Thanks for the info.
Never had any issues. The bigger threat, to me at least, is my habit of removing my watch pre-security and indiscriminately chucking it into my laptop bag (which becomes my man purse when I travel) next to my headphones (which of course have sizeable magnets in the ear pieces) and also the magnetic flip cover for my tablet.
I have a couple book packs and a small Ameribag, all of which are under-seat carry-ons. All have stash pockets. So with more than 1 watch, the extras can go into a watch wrap or case, and if preferred, the worn watch can be slid into a stash pocket.
I wouldn't worry about the magnet in earbuds at all; should be too small. Fuller-size headphones like Beats might be an issue. A magnetic tablet cover *can* be an issue. I have a Portenzo cover for my Nexus 9, and yes, it's made a couple of my quartz watches run very off while they were too close.
I fly a few times monthly for work and never had a watch magnetized either by metal detector, the nudie scanner (big machine where you got to spread legs and arms) or just going through xray with carry-on. So should not be an issue.
And if a watch does get magnetized anywhere, every collector should own a $15 demagnetizer from ebay.
I am a very frequent traveler for work and have never had a problem...until this week. I always bring a few watches in my checked bag and this time a vintage Swiss-made Baylor auto appears to have been magnetized as it is running abnormally fast. However, a vintage Orient auto that was in the same bag is keeping time normally. I will attempt to demagnetize the Baylor and see what happens.
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