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Rolex Submariner Ref 14060M COSC Review
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10 September 2012, 09:26 AM
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subtona
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Join Date: Jan 2011
Real Name: gus
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the Z serial was the transition from 2 line (non cosc) to 4 line (cosc)
you can find the 14060m with or without the cosc during the Z production..
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