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Seiko 1F21-5A40
The Seiko 1F21-5A40 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 | 506-2104 | 8100-2182Y | Buy part |
| CRYSTAL-MINERAL | 54-19956 | CRY-13708 | Buy part |
| GASKET, CRYSTAL | 393-7473 | Buy part | |
| SET LEVER WITH AXLE | 443/1561 | 443/1-JUN 667 | Buy part |
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