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Seiko 8420-6960
The Seiko 8420-6960 watch movement is an automatic mechanical movement that features a sweep seconds function. It operates at a beat rate of 18000 vibrations per hour (vph) and is equipped with 21 jewels.
The Seiko 8420-6960 features the following functions:
- Automatic Winding
- Sweep Seconds
Balance Staff Listing
| Ronda Reference # | Shock System | Buy |
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Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 1.20 x 0.100 x 340 x 10.0 mm | GR2922X | Auto | Buy mainspring |
Incabloc Part Listing
| Block # (Top/Bottom) | Cap Jewel # (Top/Bottom) | Spring # (Top/Bottom) | |
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| See More |
KIF Part Listing
| Block # (Top/Bottom) | Cap Jewel # (Top/Bottom) | Spring # (Top/Bottom) |
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Parts Listing
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