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Seiko 1E20-0B40
Ligne: 10.5'''
The Seiko 1E20-0B40 is a mechanical watch movement that features a sweep seconds function.
The Seiko 1E20-0B40 features the following functions:
- Sweep Seconds
Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 1.60 x 0.100 x 300 x 9.0 mm | GR4486 | Manual | Buy mainspring |
| 1.60 x 0.105 x 280 x 8.5 mm | GR4502 | 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) |
|---|
Documents
Parts Listing
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