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A. Starb: Scan-150118-0003: SEIKO 6138-0040/0049 "BULLHEAD" CHRONOGRAPH
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A. Starb: (DSCF4793) Seiko Bullhead Chronograph from 1977
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A. Starb: (DSCF4795) Festina Bike Chrono with Citizen flyback movement
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A. Starb: (DSCF4800) Sector250: Citizen quartz flyback movement.