ZENITH Chronomaster Sport Skeleton El Primero 3600 SK Automatic Chronograph 41mm Watch Breitling NFL Endurance This exquisite ring features a

This exquisite ring features a 0

And since each handmade jewelry box and case is treated with our patented LusterLoc™ anti-tarnish lining

it reflects the key aesthetic codes of its 42mm predecessor

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Yellow gold coloured accents complete the look

ZENITH Chronomaster Sport Skeleton El Primero 3600 SK Automatic Chronograph 41mm Watch Breitling NFL Endurance This exquisite ring features aWhen ZENITH introduced the El Primero in 1969, it did more than launch the worlds first automatic, integrated high frequency chronograph. It established a new standard of precision in mechanical watchmaking. Beating at 5Hz, 36 000 vibrations per hour, and capable of measuring 1 10th of a second, the El Primero became the technical foundation of the Maisons identity. At Watches and Wonders 2026, ZENITH unveils a new expression of this legacy: the