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Seiko F221-4030
The Seiko F221-4030 is a mechanical watch movement that features a sweep seconds function, an automatic mechanism, and a calendar complication.
The Seiko F221-4030 features the following functions:
- Automatic Winding
- Calendar
- Sweep Seconds
Balance Staff Listing
| Ronda Reference # | Shock System | Buy |
|---|
Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 1.45 x 0.110 x 320 x 10.0 mm | GR3983X | Auto | Buy mainspring |
| 1.40 x 0.110 x 340 x 10.0 mm | GR3700X | Auto | Buy mainspring |
Incabloc Part Listing
| Block # (Top/Bottom) | Cap Jewel # (Top/Bottom) | Spring # (Top/Bottom) |
|---|
KIF Part Listing
| Block # (Top/Bottom) | Cap Jewel # (Top/Bottom) | Spring # (Top/Bottom) |
|---|
Documents
Parts Listing
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