Seiko 6309-7040 production date question | WatchUSeek Watch Forums
GENUINE FOR SEIKO (SII) NH35/NH35A AUTOMATIC WATCH MOVEMENT DATE CROWN @4 WHITE – ASA College: Florida
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![Seiko] Seiko Watch Production Date Calculator : r/Watches](https://external-preview.redd.it/IgT8hbt5Adfl-7kadWB1vQVzq2KBKPl-08iuxivH6o4.jpg?auto=webp&s=40aac22be59a7797bfa5b131d59c0e9462e5bc34 "Seiko] Seiko Watch Production Date Calculator : r/Watches")
Seiko] Seiko Watch Production Date Calculator : r/Watches
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