The CHRONOMASTER Sport is crafted in a 41mm steel case with a green ceramic bezel, paired with a lacquered green tricolour dial and a steel bracelet. Powered by the El Primero 3600 automatic high-frequency chronograph movement with 1/10th of a second chronograph function and a power reserve of 60 hours.
Omega Speedmaster ’57 CO‑AXIAL CHRONOMETER CHRONOGRAPH Ref# 331.22.42.51.01.001 









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