ZENITH CHRONOMASTER OPEN
03.3300.3604/69.C823
The CHRONOMASTER Open reveals the inner workings of the El Primero movement through its dial. Fashioned in a sleek 39.5mm steel case, this edition showcases a matte silver dial with tricolour sub-dials and a transparent sub-dial for the running seconds, complemented by a blue cordura-effect rubber strap. It operates on the El Primero 3604 automatic chronograph movement, offering precise 1/10th of a second accuracy.