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Seiko 7128-8439
The Seiko 7128-8439 watch movement is an automatic mechanical movement.
The Seiko 7128-8439 features the following functions:
- Automatic Winding
- Mechanical Movement
Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 1.30 x 0.075 x 240 x 7.0 mm | GR3194X | Auto | Buy mainspring |
| 1.30 x 0.080 x 220 x 7.0 mm | GR3201X | Auto | 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) | |
|---|---|---|---|
| See More |
Documents
Parts Listing
| Part Description | Reference # | Alternate | Buy |
|---|---|---|---|
| MAINSPRING 1.30-.075-240 7 | MSS-WA30 | GR 3194-X | Buy part |
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