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Seiko 7431-5020
The Seiko 7431-5020 is a mechanical watch movement with a beat rate of 1800 vibrations per hour (vph).
The Seiko 7431-5020 features the following functions:
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 WHEEL RING | 057-07 | 422/514 | Buy part |
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