The Heuer Autavia 2446 GMT ....
... in nice fall-sun-down light. The absence of the „T“ and the „Swiss“ on the subdial as well as the very low serial number (lowest so far observed one on a GMT 1st Gen) suggest this to be a potential proto-dial. Cheers, HSTE ...
Glad you like it. It's one of my all time favorites and .....
....for quite some time I though to have missed the "wave". But luckily I could get hold of this one. Cheers, HSTE