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breitman

A7750 rotor not spinning in IWC 3777

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breitman

I scooped up a 3777 on M2M and immediately noticed that the rotor was not spinning. Upon unscrewing the back, it seemed that the rotor was rubbing protective cover [not the screw down back]. I tried to back the cover off, but there was still rubbing even when it was just lightly sitting atop the movement. To get everything working as expected i have temporarily fully removed the cover and screwed down the back. Is it risky to leave it in this state or should I continue to troubleshoot?

 

There is nothing more satisfying that hearing the rotor whirl through 5+ revs from a slight flick of the wrist :)

 

Thanks!

 

photo3_zps2a2c663e.jpg

Edited by breitman

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JSJ

Something clearly not right and removing the plate is not a fix.

 

Is the rotor loose? Is the movement loose/not fitted correctly? Does the plate look flush when you fit it?

 

And the spinning you can hear for 5+ revs is freewheeling. It only winds one way.

 

A few pics inside the watch might help us to diagnose.

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