Watches

Black ceramic coated aluminium case and bracelet. Diameter : 44 mm. Thickness : 14.50 mm. Skeleton dial with black and blue rimmed subdials. Faceted ruthenium plated hands with luminous. Applied luminous index hour markers. The famous El Primero chronograph stop/watch : Large red tipped central 1/100th of seconds counter hand (with the Zenith star logo as a counterweight). This hand makes a single full revolution every second. 60 seconds sub-dial counter located at the 6 o'clock position. 30 minute sub-dial counter located at the 3 o'clock position. Running seconds sub-dial located at the 9 o'clock position. Power reserve indicator below the 12 o'clock position. Sapphire crystal with anti-reflective treatment. Water resistance to 100 metres. Automatic-chronograph movement. Caliber El Primero 9004. Composed out of 293 components. Contains 53 jewels. Beats at 36,000 VpH (5 Hz). Has a power reserve of 50 hours.

The Zenith El Primero is one of the most iconic chronographs in watchmaking history. First released in 1969, it was the first integrated automatic chronograph movement, making it a significant milestone in Zenith's history and watchmaking. The El Primero operates at a high frequency, allowing it to measure short time intervals to 1/10th of a second. It is known for its distinctive style, featuring a tri-color subdial configuration, and a reputation for precision and reliability.