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Seiko 8420-6819
The Seiko 8420-6819 watch movement is equipped with sweep seconds, automatic winding, and a calendar function.
The Seiko 8420-6819 features the following functions:
- Automatic Winding
- Calendar
- Sweep Seconds
Balance Staff Listing
| Ronda Reference # | Shock System | Buy |
|---|
Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 1.20 x 0.105 x 320 x 10.0 mm | GR2936X | Auto | 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-.105-320 10 | MSS-WA33 | GR 2936-X | Buy part |
| PALLET ARBOR | 72S/72P | 72S/72P | Buy part |
| ROLLER | 82S/257R | Buy part | |
| STAFF, KIF 297X150X90X40X36 | 100/1568 | Buy part | |
| STEM, TAP 10 | 200/1187F | J-7869 | Buy part |
| STEM, TAP 10 | 401/464 | J-7869/ROL 1530 | Buy part |
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