ZENITH Chronomaster Open El Primero 3604 Automatic Chronograph 39.5mm Watch sapphire The date window at 6

The date window at 6 o'clock

making it suitable for everyday use and light water activities

The two engraved emblems feature as the defining design detail of this sterling silver ring

blending luxury with the everyday need for expression

inspired by the majestic contours of Mt

ZENITH Chronomaster Open El Primero 3604 Automatic Chronograph 39.5mm Watch sapphire The date window at 6The 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 version features a matte black 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.