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Seiko 2C20-5490
The Seiko 2C20-5490 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, GOLD | 506-D012B | Buy part | |
| CRYSTAL-MINERAL | 54-70730 | Buy part | |
| GASKET | 393-4464 | G285-103 | Buy part |
| GASKET CASE | 392-0346 | G285-144 | Buy part |
| INTERMEDIATE DATE WHEEL | A/6355 | 2543/ETA 2622 | Buy part |
| STEM, T10 LEN 16MM | 065-379 | 200/1787F | Buy part |
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