Daini Seikosha
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Vintage Seiko 5 Sports “Water 70m Proof” JDM Edition from December 1970
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Seiko Actus Automatic 7019-8010 with Rare “No-5” Black Dial, from February 1972
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Vintage Seiko 5 Sports “Water 70m Proof” Sport Diver from December 1969
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Vintage Seiko 5 Actus Automatic 21 jewels Sport-Dress Watch, from August 1975
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Vintage Seiko 5 Sports “Water 70m Proof” Sport Diver from July 1968
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Seiko 5 Sports Speed-Timer “Pulsimeter” Ref. 7017-8000 from July 1971