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Seiko 1F20-1B70
Ligne: 12'''
The Seiko 1F20-1B70 watch movement features an Offset Center Wheel, Sweep Seconds, and Calendar functions.
The Seiko 1F20-1B70 features the following functions:
- Calendar
- Offset Center Wheel
- Sweep Seconds
Balance Staff Listing
| Ronda Reference # | Shock System | Buy |
|---|
Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 1.60 x 0.110 x 340 x 10.0 mm | GR4516 | 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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