Zenith
Founded in 1865 by Georges Favre-Jacot, Zenith is a prestigious Swiss watch manufacture renowned for its in-house movements and exceptional chronometric precision. The brand is most famous for creating the El Primero" in 1969, one of the first automatic high-frequency chronograph movements, capable of measuring time to 1/10th of a second. Famous models include the Chronomaster, the Defy, and various pilot's watches. Zenith is a true manufacture, developing all its movements in-house, with the El Primero calibre being its most iconic. Zenith's legacy is one of pioneering high-frequency movements and a commitment to precision."
Book & Papers
Book and papers refer to original or related documentation supplied with a watch, such as manuals, warranty cards, certificates, service papers, and instruction booklets. These items can add historical interest and completeness to a watch set, especially for collectors. They are often sought after when restoring, documenting, or completing a vintage or luxury watch package.