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You are here: Latest questions & reviews > Omega reviews > Omega Speedmaster '57 Watch 41.5mm Co-Axial Chronograph 331.10.42.51.01.001

Omega Speedmaster '57 Watch 41.5mm Co-Axial Chronograph 331.10.42.51.01.001 questions & reviews

Omega Speedmaster '57 Watch 41.5mm Co-Axial Chronograph 331.10.42.51.01.001
Question or review:

Is this modified on the basis of the 7750 movement?

Reply: Yes. 7750 is actually an abbreviation for a type of functional model of movement. The 7750 movement we know is usually a chronograph movement. Swiss ETA7750 and Shanghai 7750 are both basic versions of chronograph movements.
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