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Seiko 3421-0620
The Seiko 3421-0620 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 WHEEL | 0282530 | 407/1309 | Buy part |
| FIFTH WHEEL AND PINION | 0701904 | Buy part | |
| FOURTH WHEEL, SS HT 4.90 | 0241537 | 227/1151 | Buy part |
| HOUR WHEEL, SS HT 2.33 | 0271538 | 255/1287 | Buy part |
| INTERMEDIATE DATE WHEEL | 0817570 | X/12770 | Buy part |
| STEM, TAP 10 | 0354531 | 401/1358 | Buy part |
| STEM, TAP 11 | 0354530 | 401/1192 | Buy part |
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