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Opened July 1999, zOwie is the Internet's first and longest running discussion forum dedicated to Omega brand watches.

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Re: Are test results included on your movement?..
In Response To: Are test results included on your movement?.. ()

: Does the COSC Certificate contain the actual
: test results done on your movement?

Yes.

*BUT* these are the tests done on your movement at the point of certification, which is well before the movement is assembled into a watch.

Because of all the things that occur in assembly--sometimes including a recalibration--the results on the certificate do not necessarily reflect the state of the watch as it leaves the factory.

Yet it still can be a decent indication of which positions it is more likely to run faster/slower.

Never heard a report from someone who did their own COSC-type test and compared the results to the certificate for their watch. Would be interesting to see how they compare!

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