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Zenith

I already saw many discussions about the number ...

 

On the rotor, on Chronomasters. 


My conclusion is that this number is somehow meaningless because the COSC certification is based on the serial number on the movement (the rotor is installed after the certification). 

IMHO the document should refer to the movement number and not on the rotor number, that may need to be replaced on a future maintenance. 

Nice watch, the Chronomaster. 

Cheers,

Nilo

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