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<p>[QUOTE="Shangas, post: 233111, member: 360"]AF is right in that the UK and its colonies (with the exception of Canada, I believe) did not abide by American-standard railroad watches, but railroad-grade watches were still considered to be very important. 17 jewels was considered the lowest acceptable quality of movement which could be used on railroads. </p><p><br /></p><p>Unless I'm mistaken, which I don't think I am, the antimagnetism thing came in when diesel-electric trains started becoming a thing. The batteries and electrical circuits posed a risk to watches, with the hairsprings possibly becoming magnetised. This increased after WWII, when diesels started slowly replacing steam-trains in greater numbers.[/QUOTE]</p><p><br /></p>
[QUOTE="Shangas, post: 233111, member: 360"]AF is right in that the UK and its colonies (with the exception of Canada, I believe) did not abide by American-standard railroad watches, but railroad-grade watches were still considered to be very important. 17 jewels was considered the lowest acceptable quality of movement which could be used on railroads. Unless I'm mistaken, which I don't think I am, the antimagnetism thing came in when diesel-electric trains started becoming a thing. The batteries and electrical circuits posed a risk to watches, with the hairsprings possibly becoming magnetised. This increased after WWII, when diesels started slowly replacing steam-trains in greater numbers.[/QUOTE]
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