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Seiko 1020A
Jewels: 17
The Seiko 1020A watch movement is a pocket watch movement that is American made and features 17 jewels.
The Seiko 1020A features the following functions:
- American Made
- Pocket Watch
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 |
|---|---|---|---|
| CANNON PINION | 1520/ILL | 1520/ILL | Buy part |
| MAINSPRING 18-4-20.5 T | MSN-757 | 47316/ILL | Buy part |
| MAINSPRING 18-5-22.5 TB | MS-JA414 | GR 6871-TB | Buy part |
| STAFF, BUNN SPECIAL DR | 47607/ILL | 47607/ILL | Buy part |
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