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Seiko 3421-0100
Base: Venus 188
The Seiko 3421-0100 is a mechanical watch movement which includes a chronograph function.
The Seiko 3421-0100 features the following functions:
- Chronograph Movement
Balance Staff Listing
| Ronda Reference # | Shock System | Buy |
|---|
Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 1.60 x 0.130 x 420 x 12.0 mm | GR4568 | Manual | Buy mainspring |
Incabloc Part Listing
| Block # (Top/Bottom) | Cap Jewel # (Top/Bottom) | Spring # (Top/Bottom) | |
|---|---|---|---|
| See More |
KIF Part Listing
| Block # (Top/Bottom) | Cap Jewel # (Top/Bottom) | Spring # (Top/Bottom) |
|---|
Documents
Parts Listing
| Part Description | Reference # | Alternate | Buy |
|---|---|---|---|
| BALANCE COMPLETE | 721/712 | 721/712 | Buy part |
| MAINSPRING 1.60-.13-420 12 | MS-79Y | GR 4568 | Buy part |
| PALLET ARBOR | 72S/94P | 714/ETA 1051 | Buy part |
| ROLLER 200X90X42 | 82S/74R | Buy part | |
| ROLLER, INCABLOC 200X90X42 | 82S/155R | Buy part | |
| STAFF, BALANCE 1.10 HSP .70 | 100/694 | Buy part | |
| STEM, FEMALE OA8.4 SH3.10 | 360/123 | 360/VAL 7730 | Buy part |
| STEM, T6 | 200/133F (use 401/612) | 200/133F | Buy part |
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