Seiko Bullhead Chronograph Automatic 6138-0040 - 43 mm Steel for Sale | Watchmaster
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1977 Seiko Chronograph Automatic 'Bullhead' reference 6138-0040 – Blue – Vintage Watch Specialist
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Seiko 6138-0040 Bullhead for $872 for sale from a Private Seller on Chrono24
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SEIKO BULLHEAD CHRONOGRAPH AUTOMATIC Ref 6138-0040 JAPAN J Automatic Vintage watch Cal. 6138B *** COLLECTORS *** Seiko Vintage watches - Watches83
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