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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.
Just spotted this on a Heuer C12.
Clearly marked '20' and seems to have 2 x scores on the edge.
I remember seeing somewher about the 2 scores on the edge but not the '20'.
Also marked 'SX'.
Anyone know the significance at all?
Apologies for the poor photo - my camera's being serviced and i used my phone attached to a loupe :-)