Zenith El Primero Stratos Flyback Rainbow Automotive We occasionally stray from our

We occasionally stray from our vintage beauties for a modern watch

professional divers

5mm 18K white gold case with a sapphire crystal

Powered by the infamous Calibre 11 automatic winding movement

Zenith El Primero Stratos Flyback Rainbow Automotive We occasionally stray from ourThe El Primero was the culmination of a years long research and development process undertaken by Zenith to develop the worlds first automatic chronograph movement. Zenith announced the El Primero at a press conference on January 10, 1969. This was four years later than Zenith had intended the brand had begun developing the caliber in 1963, hoping to bring it out for Zeniths centennial in 1965. Nevertheless, on that winter day in 1969, Zenith proudly