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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.
Thanks mate for your nice words, you made me smile a lot (and felt honoured).
I agree with Shaun, you should buy the watch because you like it, the investment watches are others !
The calculator hasn"t any connection with Formula one but is a very nice chronograph, and yours seems in great conditions.
It can be considered the very first smart watch.
About the manual, I think also Abel Court has one on his website:
Hope it helps.