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Seiko 4N20-5150
The Seiko 4N20-5150 features the following functions:
Balance Staff Listing
| Ronda Reference # | Shock System | Buy |
|---|
Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|
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
| Part Description | Reference # | Alternate | Buy |
|---|---|---|---|
| BALANCE COMPLETE | 0310020 | 721/1909 | Buy part |
| CENTER WHEEL, SS COMPLETE | 0224007 | 206/690 | Buy part |
| STEM, FULL THREAD | 0354022 | 200/1792F | Buy part |
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