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Vintage Heuer Discussion Forum
The place for discussing 1930-1985 Heuer wristwatches, chronographs and dash-mounted timepieces. Online since May 2003. | ||||||
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that many vintage watch movements have 17 jewels. This includes our beloved Heuer Chronomatic movements, also of note the Valjoux 22, 23, 71, 72, 92, 7734, 7736 & i'm certain there are more.
Why 17 jewels ?
Well there was a higher tax on watches with more than 17 jewels in the USA in the 1960's. I ran across this piece of information whilst reading an interesting listing on TZ-UK about the variants of the vintage Omega Seamaster 300 ( an iteresting read should you want to check it out http://forum.tz-uk.com/showthread.php?227473-A-Quick-Guide-The-Omega-Seamaster-300-including-Military-watches ).
I wonder if this import tax classification influenced the initial design of the Cal.11/12/14/15 ?
- Darren
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