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Seiko 2J31-0A20
The Seiko 2J31-0A20 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 SUB 506-8214 | 506-B422B | Buy part | |
| CRYSTAL | 54-19762S | CRY-10579 | Buy part |
| GASKET, CASE BACK | 392-2164 | Buy part | |
| STEM, TAP 12 | 065-403 | 401/1288 | Buy part |
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