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twinquartz

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marcelo_cologne
1979 Seiko Grand Quartz 9943-8000
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watchkasi

Two hearts in one chest 💕

This gorgeous watch from 1979 combines two quartz crystals in one movement for unmatched precision. When you image the first quartz watches were launc...
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EastCoastWatchConnection

Incoming restoration! Vintage Grand Seiko

Hey everyone! I’m a little over excited at the moment because I just purchased a 1978 Seiko Grand Quartz (Twin Quartz) 9943-8010 that needs a lot of T...
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