1970s Certina DS-2 SuperPH 1000M with yellow dial

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While the black-dialed SuperPH 1000M is a legendary deep-sea tool, the bright yellow dial variant is the ultimate trophy for the hardcore vintage diver collector. Engineered to withstand the crushing pressure of a 1,000-meter depth, its massive, slab-sided case features Certina's proprietary "Double Security" (DS) system and a push-to-turn safety locking bezel. The vibrant yellow dial was a functional necessity for high-contrast underwater visibility, turning this battle-tested instrument into an iconic piece of 1970s chromatography.