Icons stand the test of time. Born in 1969, El Primero (“the first” in Spanish) is still regarded as one of the best and most accurate chronograph movements ever created. Part of a trilogy of automatic chronograph calibres presented coincidentally in 1969, it is the only one that is still produced to date. As Zenith will celebrate the 50thanniversary of this legendary calibre next year, MONOCHROME takes a look back at its history and design.
