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Seiko 1F20-5C30
The Seiko 1F20-5C30 watch movement features Incabloc Shock Protection.
The Seiko 1F20-5C30 features the following functions:
- Incabloc Shock Protection
Balance Staff Listing
| Ronda Reference # | Shock System | Buy |
|---|
Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 1.20 x 0.130 x 300 x 9.5 mm | GR2988 | Manual | Buy mainspring |
| 1.20 x 0.090 x 240 x 7.5 mm | GR2894 | 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
| Part Description | Reference # | Alternate | Buy |
|---|---|---|---|
| MAINSPRING 1.20-.09-240 7,5 | MS-312E | GR 2894 | Buy part |
| MAINSPRING 1.20-.13-300 9,5 | MS-39M | GR 2988 | Buy part |
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