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Seiko 1F20-5B50
The Seiko 1F20-5B50 watch movement is an automatic mechanical movement that includes sweep seconds, a calendar function, and has a beat rate of 36000 vph. It is equipped with 25 jewels.
The Seiko 1F20-5B50 features the following functions:
- Automatic Winding
- Calendar
- Sweep Seconds
Balance Staff Listing
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Mainspring Listing
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Incabloc Part Listing
| Block # (Top/Bottom) | Cap Jewel # (Top/Bottom) | Spring # (Top/Bottom) |
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KIF Part Listing
| Block # (Top/Bottom) | Cap Jewel # (Top/Bottom) | Spring # (Top/Bottom) |
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Documents
Parts Listing
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