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Old 27 January 2008, 05:14 AM   #34
atldavek
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Join Date: Nov 2007
Real Name: Dave
Location: Michigan
Watch: SS SUB
Posts: 307
It is apparent I am not smart enough to understand the patent, but it does say :
"This unique problem was discovered by COMEX divers back in the 1960’s, and Rolex integrated the HRV into the Sea-dweller case to be automatically released when pressure within the Oyster case builds up to a critical level."

So it is automatic and plus there isn't anywhere to screw in or unscrew the valve on the SD. Right? ( I don't own one.)
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