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Oysterdate
The last version of the Oysterdate chronograph 7000 series is reference 7033/0. Unlike the two preceding models it was never commercialised.
Otherwise resembling the others in every way, it was however endowed with an exceptional bidirectional rotatable bezel with a 12-unit graduated black anodised aluminium insert, which prefigured reference 7169/0, launched in 1971.