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The largest independent, non-commercial, consumer-oriented resource on the Internet for owners, collectors and enthusiasts of fine wristwatches. Online since 1998. | |||||||
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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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Hi there, just recently purchased a 3647s with a 5 digit serial number beginning in 66. Is there any way to narrow down when the watch was manufactured based on this? It is definitely Mk1 with an unmarked crown, T over the swiss and metal indices at 6 and 9. I'd assume sometime between 1965-66, but it would be great to know for sure. Thanks!
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