The Zenith El Primero collection is a legendary line of watches that showcases Zenith's iconic automatic chronograph movement, which was introduced in 1969. The El Primero movement is renowned for its high frequency, offering exceptional precision and a smooth sweeping seconds hand. With their rich heritage, innovative technology, and timeless appeal, the Zenith El Primero watches continue to be a symbol of excellence in the world of horology. Shop All Pre-Owned Zenith Watches