heuer autavia 2446 transitional 3rd exec chronograph. Rare 3rd execution transitional example.

　　Screwback.

　　Lugs feature a non beveled edge unlike most examples.

　　Less than 500 made in this serial range with unbeveled lugs.

　　Less than 20 of this specific examples are known to exist.

　　All parts seem original.

　　Crystal has wear.

　　Dial looks to be in pristine condition.

　　I have not opened this watch.

　　Small Nick on the bottom pusher.

　　Watch winds and runs well.

　　Chronograph pusher stops and starts the sweep hand.

　　Bottom pusher is not working and does not reset to zero.

　　All 3 sub dials work and keep time.

　　Watch does not appear to have ever been polished, and probably has not been serviced in a very long time.

　　Watch will be insured for full amount when shipped and will need signature.