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Seiko 5E20-5B20
The Seiko 5E20-5B20 watch movement features a sweep seconds function, along with a calendar functionality. It operates at a beat rate of 18000 vph and is equipped with 17 jewels.
The Seiko 5E20-5B20 features the following functions:
- Calendar
- Sweep Seconds
Balance Staff Listing
| Ronda Reference # | Shock System | Buy |
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Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 1.15 x 0.115 x 360 x 10.0 mm | GR2806 | 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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Documents
Parts Listing
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