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Seiko 4N20-5042
The Seiko 4N20-5042 watch movement has a sweep seconds function, which allows for continuous motion of the seconds hand. It operates at a beat rate of 18000 vph, indicating the number of vibrations per hour.
The Seiko 4N20-5042 features the following functions:
- Sweep Seconds
Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 1.30 x 0.080 x 240 x 7.0 mm | GR3202 | Manual | 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) |
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Documents
Parts Listing
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