Zenith CHRONOMASTER OPEN 39.5 mm Blue Dial Stainless Steel Bracelet 03.3300.3604/51.M3300

The CHRONOMASTER Open offers a view of the beating heart of the El Primero movement from the dial. Crafted in a sleek 39.5mm steel case, this boutique-exclusive edition features a blue dial with tricolour counters and a transparent counter for the running seconds, paired with an integrated steel bracelet. Powered by the El Primero 3604 1/10th of a second automatic chronograph movement.