CHRONOMASTER EL PRIMERO ORIGINAL 1969 CHRONOGRAPH LUDWIG 33 DUO with 24-hour scale

with 24-hour scale

let alone the Mare Nostrum

Closed back

and hour markers illuminate in blue

This automatic watch is distinguished by a manufacturing movement

CHRONOMASTER EL PRIMERO ORIGINAL 1969 CHRONOGRAPH LUDWIG 33 DUO with 24-hour scaleThe chronograph, one of the most sought after watch complications, is something Zenith has mastered for over 50 years. Its El Primero calibre, the worlds first automatic, integrated high frequency chronograph movement, was nothing short of revolutionary when it was first unveiled in 1969. Today, this unique legacy lives on through the Chronomaster line, which has evolved to include a number of different designs and, a world first at the time of its