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Seiko 1F21-0B30
The Seiko 1F21-0B30 watch movement is equipped with a day and date display, along with a sweep seconds function. It has a total of 17 jewels.
The Seiko 1F21-0B30 features the following functions:
- Day and Date Display
- Sweep Seconds
Balance Staff Listing
| Ronda Reference # | Shock System | Buy |
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Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 1.45 x 0.100 x 360 x 9.5 mm | GR3956 | 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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