I also had thoughts on who produced the dial. I wondered if it were potentially created in-house as the script for the word CHRONOMATIC does not seem to match the later Autavia marked Chronomatics.
I love it - its 2015 & we're still on Heuer's road to discovery !!!

- Darren

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: What a remarkable and exciting find and maybe the find of the
: decade unless of course the Monaco and Carrera version come to
: light then it will have some competition.
: It is interesting to see how the original vision was refined to
: what we are now familiar with including hour markers, printing
: and central second hand but the vision is clear from this
: prototype that made it into a long running and much admired
: production piece. Many questions still to be answered as
: proposed elsewhere but dial manufacturer would be one I would
: like to add.
: regards
: Paul
: www.heuerworld.com