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Seiko 4N20-0189
The Seiko 4N20-0189 is a mechanical movement designed for pocket watches. It is an American-made movement, emphasizing its domestic origin.
The Seiko 4N20-0189 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 |
|---|---|---|---|
| PINION, FOURTH | 1542/ILL | 1542/ILL | Buy part |
| WHEEL, FOURTH | 133/ILL | Buy part | |
| WHEEL, FOURTH & PINION | 1543/ILL | 1543/ILL | Buy part |
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