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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I agree. I took a photo of a Buren technical drawing of a Cal 12 that was dated 19/5/70 so I guess it is possible it went into production the same year, given the rather small differences between 11, 11i and 12 but that 149xxx is definitely too late.
We see non-Chronomatic dials by the late 147xxxs even.
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