Omega Seamaster, Automatik, Chronograph, Ref. 176.007, Kaliber 1040, seltene blaue Zifferblattvariante, 1973 Lemania schwarze Lünette mit Skala von Zodiac schwarze Lünette mit Skala von 10 bis 100 Seriennummer OLMK1LXXX von der schlanken Sekunden und Minutenzähler aus der Mitte
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