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Seiko 8A21A
The Seiko 8A21A watch movement is an automatic mechanical movement that incorporates functions such as day and date display, sweep seconds, and a calendar.
The Seiko 8A21A features the following functions:
- Automatic Winding
- Calendar
- Day and Date Display
- Sweep Seconds
Balance Staff Listing
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Mainspring Listing
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Incabloc Part Listing
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KIF Part Listing
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Parts Listing
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