ZENITH DEFY EL PRIMERO 21 CHRONOGRAPH 44 MM

The El Primero 21 1/100th high-frequency chronograph is presented in a 44 mm black ceramic DEFY case, both light and robust, with a black rubber strap. Its automatic movement features two independent high-frequency escapements beating at 50 Hz for the chronograph function and 5 Hz for timekeeping.

Reference number: 49.9000.9004/78.R582