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Seiko 1F20A
The Seiko 1F20A watch movement features an Offset Center Wheel and operates as an automatic movement with a beat rate of 21600 vibrations per hour (vph).
The Seiko 1F20A features the following functions:
- Automatic Winding
- Offset Center Wheel
Mainspring Listing
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Incabloc Part Listing
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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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