Heuer Autavia "Mario Andretti" Ref. 3646 gruen where he completed classes to

where he completed classes to become a skin diving instructor in 1962

This is a very cool and beautiful condition Doxa Sfygmos

displaying an orange patina

The immaculate Mk2 matte dial features hour markers in a light yellow patina

The dial features a large sub-seconds dial in the lower half

Heuer Autavia "Mario Andretti" Ref. 3646 gruen where he completed classes toHeuer is the brand most closely associated with motorsport heritage, and it introduced the Autavia wristwatch line in the early 1960s. These models featured screw back cases and were produced in various iterations throughout their production run. This particular example is nicknamed the Andretti, named after Formula One World Champion and four time IndyCar champion Mario Andrettiwidely regarded as one of the greatest open wheel racing drivers of all