Only 800 Produced between 1972-75, so truly a rare watch 

Launched in 1972, this is a hybrid watch combining legibility and strong luminescence to meet the needs of pilots but also equipped with 300 metres water-resistance and double-gaskets of a diver’s watch.

Zenith in-house El Primero movement 3019PHC El Primero Caliber, which is considered to be one of the best chronograph movements ever produced and used by the Rolex Daytona until the late 1980s. 
The watch comes with the original Lobster bracelet. 

Case size 44mm.

Serviced early 2021 but the watch doctor and case restored by LA Watch Works and keeps great time.

The watch will not be watertight due to the sapphire crystal in place. Original crystal is included.