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Seiko 8420-6439
The Seiko 8420-6439 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 |
|---|---|---|---|
| CLUTCH | 407/LON 978.2 | Buy part | |
| CLUTCH LEVER | 435/LON 977.2 | Buy part | |
| COIL | Buy part | ||
| SCREW, SET LEVER | Buy part | ||
| SET LEVER | 443/LON 976.2 | Buy part | |
| STEM, T11 | 401/LON 976.2 | 405/LON 976.2 | Buy part |
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