Zenith Chronomaster Open 03.3300.3604/69.M3300 30mm-36mm along with hands and domed

along with hands and domed indexes in 18K white gold

Bracelet: Titanium with twin-trigger release and folding buckle

inlaid with Super-LumiNova

The OMEGA Master Chronometer calibre 9901 at the heart of this timepiece can be seen through the transparent caseback

with the curved dial and sapphire crystal glass

Zenith Chronomaster Open 03.3300.3604/69.M3300 30mm-36mm along with hands and domedMarvel at the beating heart of the legendary El Primero The Chronomaster Open offers a view of the beating heart of the El Primero movement from the dial. Crafted in a sleek 40mm steel case, this version features a matte silver 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.