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File:King Seiko Automatic Special Hi-Beat 5246-6000 "Chronometer Officially Certified".jpg - Wikimedia Commons
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King Seiko 5626-7041 Officially Certified Chronometer from May 1974 | Adventures in Amateur Watch Fettling
FS: Seiko Chronometer "Golden Starlight" Gold Cap ref. 5626-7090 + extra NOS Crystal, Crown, & Buckle | WatchUSeek Watch Forums
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