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Audemars Piguet

I continue to learn

 

Thanks for the additional information, TM.  I did not know that  "the Offshore's depth rating is measured with the crown UNSCREWED; the screw down crown helps ensure water resistence, but does not, per se, increase water resistence."  Very interesting.  Is that true of how all screw-down crowns work or is this unique to AP's desing?

Was there ever an RO or ROO with both dual time/GMT AND chronograph functions?

respo

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