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Citizen Cosmotron, 4-480279

Posted: June 18th 2020, 10:21pm
by koimaster
Posted on June 16, 2020 by sweephand

Another Cosmotron today, and one of the more unusual ones – the movement is the 4840 date only version of the 0840 calibre. The unusual bit is the crystal, since it has the ‘Citizen Electronic’ logos and minute markers printed on the inside and not on the dial itself. The plain black dial just carries the applied Cosmotron motif, along with nicely shaped hour markers. Although my example is not in very good condition, these are rarely seen so I grabbed it when I could. I suspect a replacement glass would be rather hard to find! This is one of the middle generation of Cosmotrons, running at 21,600 bph, before the 78xx series replaced them, and was produced in November 1971: ... -4-480279/