Zenith Chronomaster Open 03.3300.3604/21.C822 type_modular These timepieces combine the beauty

These timepieces combine the beauty and craftsmanship of enamel dials with the innovation of Seiko’s proprietary Spring Drive movement and the design philosophy of Riki Watanabe

the watch is presented on a blue leather strap

nothing can get inside the watch

Thanks to Grand Seiko’s unique Spring Drive movement

7mm thick) with bipartite stainless steel caseback

Zenith Chronomaster Open 03.3300.3604/21.C822 type_modular These timepieces combine the beautyA window into 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 black dial with tricolour counters and a transparent counter for the running seconds, paired with a black cordura effect rubber strap. Powered by the El Primero 3604 1 10th of a second automatic chronograph movement.