Certina DS-2 Vintage DS-2 SUPER PH 500M Ref-5801-123/I Stainless Steel Papers 1968 UNPOLISHED | Watch Rapport
Certina Dive Watches - VintageCERTINAs
Hands-on Certina DS Super PH500M Sea Turtle Conservancy (Price)
Certina DS Super PH500M Watch
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. #
Collectors Market - FS: Other Certina DS-2 Super PH500M