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Vintage Seiko panda 6138-8020 Automatic Chronograph Very Rare 1977 Model, Gift Birthday or Anniversary - Etsy
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Seiko 6138-0010] One of the world's earliest Automatic Chronographs; the Yachtman, aka the UFO : r/Watches
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Seiko Chronograph JDM 6138-8001 Vintage 1975 for AED11,299 for sale from a Private Seller on Chrono24
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SEIKO 6138-0040 chronograph automatic watch BULLHEAD Cal. 6138-B ALL ORIGINAL *** SPECTACULAR *** Seiko Vintage watches - Watches83
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