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Seiko 4206-521A
The Seiko 4206-521A 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 |
|---|---|---|---|
| CROWN, YELLOW | 506-8214 | 8100-2208Y | Buy part |
| CRYSTAL-MINERAL | 54-70980 | CRY-13735 | Buy part |
| GASKET, CASEBACK | 392-0913 | G285-279 | Buy part |
| STEM, TAP 12 | 065-403 | 401/1288 | Buy part |
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