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Seiko 1421-5540
The Seiko 1421-5540 watch movement is equipped with a sweep seconds function, which allows for smooth and continuous movement of the seconds hand. Additionally, it features a calendar function, providing accurate date display.
The Seiko 1421-5540 features the following functions:
- Calendar
- Sweep Seconds
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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