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For sale is my Certina DS-2 Super PH500M. In the late 60s of the last century one of the most remarkable diving watches prooved its suitability with flying colors in various missions and experiments from U.S.Navy, NASA and American Department of the Interior (Tektite I and II) After nearly fifty yea

please share some pics soon and wear it well Helmut

Hello i bought this Benrus Type with a suspicious Bezel maybe someone here knows more about the Bezel.... cheers Helmut