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Seiko 7N42-6A70
The Seiko 7N42-6A70 watch movement features a sweep seconds function, utilizing a pin lever escapement system. The beat rate of the movement operates at 18,000 vibrations per hour (vph).
The Seiko 7N42-6A70 features the following functions:
- Pin lever
- 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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| 1.40 x 0.100 x 340 x 9.5 mm | GR3666 | Manual | Buy mainspring |
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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Parts Listing
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