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Seiko 8420-5919
The Seiko 8420-5919 watch movement is an automatic movement that features a day and date display function.
The Seiko 8420-5919 features the following functions:
- Automatic Winding
- Day and Date Display
Balance Staff Listing
| Ronda Reference # | Shock System | Buy |
|---|
Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|
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 |
|---|---|---|---|
| DATE DIAL, FLAT @6 | A/7290 | 2557/ETA 2758 | Buy part |
| DAY JUMPER SPRING | A/7298 | A/7298 | Buy part |
| HOUR WHEEL | 663800/HAM | 663800/HAM | Buy part |
| STEM, HELICOIDAL TAP 10 | 401/730 | 200/1735F | Buy part |
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