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Vintage Seiko Chronograph ref. 6138-0040 Bullhead – 1976, Original dial & hands, Serviced - ChronoTimepieces
1976 Seiko SpeedTimer Chronograph (Ref. 6138-0040) "Bullhead"
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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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1974 Seiko 6138-0040 Automatic Chronograph “Bullhead”
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SEIKO BULLHEAD SPEEDTIMER 6138-0040 DAY/DATE CHRONOGRAPH MEN'S STEEL WRIST WATCH | eBay
