ZENITH Chronomaster Open El Primero 3604 Automatic Chronograph 39.5mm Watch sapphire the watch can withstand daily

the watch can withstand daily splashes and brief immersion

Get back to basics in style with the classic Wilton from Bulova

and durability in one extraordinary timepiece

® Signature Round Brilliant Halo Diamond Engagement Ring

ZENITH Chronomaster Open El Primero 3604 Automatic Chronograph 39.5mm Watch sapphire the watch can withstand dailyThe 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.