Anyone know the diameter of the crowns on the Zenith A277?

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I know the first gen got the star and the second gen the compass rose, but not sure of the diameters? Any help would be appreciated!

 
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Thanks, Preacher. If it's not too much trouble, would you mind measuring the thickness as well?
 
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Thank you, Preacher. Sorry for the inconvenience....
 
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For the record, the first gen A277 crown dims are as follows (rounding):
Diameter = 6.4mm
Thickness = 4.6mm
Teeth = 22

 
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Upon reflection, I suppose the diameter would be rounded to either 6.45mm or 6.5mm. Just seems that it is commonly rounded to 6.4mm out there for some reason...