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Seiko 1F20-5090
Ligne: 12.5'''
The Seiko 1F20-5090 watch movement offers variations with both sweep seconds and non-sweep seconds functions.
The Seiko 1F20-5090 features the following functions:
- Sweep seconds and non-sweep seconds variations
Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 1.60 x 0.120 x 300 x 9.5 mm | GR4536 | 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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