Seiko Chronograph 6139-8020 (1974)

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Vintage Seiko Chronograph 6139-8020 manufactured March 1974. Japan made, this watch features original black and yellow dial, polished integrated Seiko bracelet and clasp, and disti nctive cushion-shaped case. Runing well, including chronograph and set back to the 12 position. Part of Seiko's pioneering 6139 series, it features an automatic movement with a column wheel chronograph mechanism - significant as one of the world's first automatic chronographs when the series launched in 1969. Collectors prize these pieces for their historical significance, mechanical innovation, and the distinctive styling that epitomizes 1970s watch design aesthetics. Show more