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Seiko A021
The Seiko A021 watch movement is a mechanical movement that incorporates a chronograph function.
The Seiko A021 features the following functions:
- Chronograph Movement
Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 1.30 x 0.150 x 420 x 12.5 mm | GR3374 | 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 1.30-.15-420 12,5 | MS-47X | GR 3374 | Buy part |
| PALLET ARBOR | 72S/119P | 714/BUR 410 | Buy part |
| ROLLER 290X95X54 | 82S/134R | Buy part | |
| SAMSON MSPG. | 10042 | Buy part | |
| STAFF, (MARTEL) | 100/1336 | Buy part | |
| STEM | 200/809F | Buy part |
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