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Seiko 1F20-F069
The Seiko 1F20-F069 mechanical watch movement features a sweep seconds function, allowing for smooth and continuous movement of the seconds hand. It is equipped with 21 jewels, which serve to reduce friction and enhance the longevity and precision of the movement.
The Seiko 1F20-F069 features the following functions:
- Sweep Seconds
Balance Staff Listing
| Ronda Reference # | Shock System | Buy |
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Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 1.20 x 0.115 x 340 x 10.0 mm | GR2963 | Manual | Buy mainspring |
| 1.20 x 0.100 x 320 x 9.0 mm | GR2921 | Manual | Buy mainspring |
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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