CHRONOMASTER OPEN Color:Black has a sun-brushed green PVD

has a sun-brushed green PVD "step" dial and "Moonwatch" style hands

This 42 mm Seamaster Diver 300M

As a tribute to its history

As part of the Five Deeps Expedition in 2019

Classic look with the fluted bezel and roman number indexes

CHRONOMASTER OPEN Color:Black has a sun-brushed green PVDThe 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. 39. 5mm Chronograph Water resistance (10 ATM) 2 Year Warranty