ZENITH DEFY 21
10.9000.9004/96.R921
The high-frequency El Primero 21 1/100th chronograph is meticulously crafted within a light yet durable 44mm carbon fiber DEFY case, paired with a sleek black rubber strap. Its automatic movement boasts two independent high-frequency escapements, operating at 50Hz for precise chronograph function and 5Hz for accurate timekeeping.