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Certina DS2 Super PH500 help needed | Omega Forums
NEW Certina DS Super PH 500M Orange Dial Special Edition Diving Watch VDST | eBay
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Certina - The 1969 Certina DS-2 Super PH 500M was an integral part of the Tektite underwater experiment, in which four scientists lived in underwater tanks under NASA supervision for two months. #
Certina DS Super PH500M Special Edition (Price, Pictures and Specifications)