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Seiko 8420-6440
Ligne: 13'''
The Seiko 8420-6440 watch movement is an electronic mechanism that incorporates sweep seconds function. It operates on quartz technology and includes a calendar feature.
The Seiko 8420-6440 features the following functions:
- Calendar
- Electronic Movement
- Quartz Movement
- Sweep Seconds
Balance Staff Listing
| Ronda Reference # | Shock System | Buy |
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Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
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Incabloc Part Listing
| Block # (Top/Bottom) | Cap Jewel # (Top/Bottom) | Spring # (Top/Bottom) |
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KIF Part Listing
| Block # (Top/Bottom) | Cap Jewel # (Top/Bottom) | Spring # (Top/Bottom) |
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Documents
Parts Listing
| Part Description | Reference # | Alternate | Buy |
|---|---|---|---|
| BATTERY (CAN TRY 386/301) | 354 | 354 | Buy part |
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