1960s Hamilton Chronograph Ref. 7723 Field Watches The Zenith El Primero Chronograph

The Zenith El Primero Chronograph Vintage reference A386 was one the first automatic chronographs ever produced

Caseback has scratches but still the serial number

The chronograph function was designed to be integrated into the movement

The Heuer Ref

1960s Hamilton Chronograph Ref. 7723 Field Watches The Zenith El Primero ChronographThe 1960s was a very productive time for the Hamilton brand, expecially for the chronographs. To our best knowledge these Hamilton chronographs were actually made by Heuer and branded Hamilton on the dial, cases and movements. These Hamilton chronographs were affordable and on the line of the Heuer Carrera design at the time, attracted many watch collectors. Ref. 7723 was produced also in Panda dial configuration but even more rare its this silver