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Seiko 1221-5220
Ligne: 4 x 8'''
The Seiko 1221-5220 features the following functions:
Balance Staff Listing
| Ronda Reference # | Shock System | Buy |
|---|---|---|
| 3058 | Ordinary/None | Buy staff |
| 4315 | Shockproof | Buy staff |
Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 1.30 x 0.070 x 220 x 6.0 mm | GR3186 | Manual | Buy mainspring |
| 1.30 x 0.065 x 200 x 5.5 mm | GR3178 | Manual | 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) |
|---|
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