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1978 Seiko Grand Quartz twin quartz movement with snowflake dial. Model reference 9943-8020 - YouTube
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WTS] Seiko Grand Quartz Twin Quartz - 9943-8010 – 1970's Japan – (Serviced) ------ $350 USD ONLY(REDUCED)!!! – WatchPatrol
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Seiko Twin Quartz - Seiko & Citizen Watch Forum – Japanese Watch Reviews, Discussion & Trading | Stylish watches men, Vintage watches, Vintage seiko watches
![WTS/WTT] Seiko King Quartz 9923-8060 / 141938 All Original 37mm Twin Quartz from 1981 [US] NYC : r/Watchexchange WTS/WTT] Seiko King Quartz 9923-8060 / 141938 All Original 37mm Twin Quartz from 1981 [US] NYC : r/Watchexchange](https://i.redd.it/hg1zcmvvdrh91.jpg)
WTS/WTT] Seiko King Quartz 9923-8060 / 141938 All Original 37mm Twin Quartz from 1981 [US] NYC : r/Watchexchange
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