This is an excellent example of the popular Heuer Autavia GMT, Ref. 2446. The case is the best we’ve ever seen, with sharp and defined edges, and no wear/polishing. The dial is near perfect, with only minor degradation of the lume plots at 11 and 1 o’clock. The red/blue or “pepsi” bezel is near perfect, and has virtually no fade.
This reference has soared in popularity as of late, and finding nice examples is not easy.
For more reading on these, head over to the one-and-only, On The Dash.