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Seiko 8Y21-0019
The Seiko 8Y21-0019 watch movement is a mechanical movement that offers various functions.
The Seiko 8Y21-0019 features the following functions:
- Mechanical Movement
Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 1.60 x 0.085 x 300 x 8.5 mm | GR4457 | Manual | Buy mainspring |
| 1.60 x 0.090 x 300 x 8.5 mm | GR4465 | 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 |
|---|---|---|---|
| BALANCE COMPLETE | 721/600 | Buy part | |
| MAINSPRING 1.60-.09-300 8,5 | MS-712K | GR 4465 | Buy part |
| PALLET ARBOR, 40-90-10 S/S | 72S/81P | 714/AS 1045 | Buy part |
| ROLLER 180X80X36 | 82S/41R | Buy part | |
| ROLLER, INCABLOC 180X80X36 | 82S/148R | 730/AUR 18 | Buy part |
| STAFF | 100/54 | Buy part | |
| STEM | 200/48F | Buy part | |
| STEM, FEMALE | 360/7 | 360/AS 1045 | Buy part |
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