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Seiko 4M21-0A80
The Seiko 4M21-0A80 watch movement is a mechanical movement.
The Seiko 4M21-0A80 features the following functions:
- Mechanical Movement
Balance Staff Listing
| Ronda Reference # | Shock System | Buy |
|---|
Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 1.20 x 0.100 x 300 x 9.0 mm | GR2920 | Manual | Buy mainspring |
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 |
|---|---|---|---|
| MAINSPRING 1.20-.10-300 9 | MS-311K | GR 2920 | Buy part |
| PALLET ARBOR | 72S/26P | 714/ETA 775 | Buy part |
| ROLLER 210X85X42 | 82S/86R | Buy part | |
| STAFF | 100/167 | Buy part | |
| STEM, TAP 10 | 200/167F | 401/FF 332 | Buy part |
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