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Seiko 7N42-7B10
The Seiko 7N42-7B10 watch movement is characterized by its absence of a second hand and its utilization of a pin lever mechanism.
The Seiko 7N42-7B10 features the following functions:
- Pin lever
- Without Second Hand
Balance Staff Listing
| Ronda Reference # | Shock System | Buy |
|---|---|---|
| 5053 | Ordinary/None | Buy staff |
| 5132 | Ordinary/None | Buy staff |
Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 1.55 x 0.080 x 260 x 7.0 mm | GR4378 | Manual | Buy mainspring |
| 1.50 x 0.080 x 260 x 7.5 mm | GR40771 | 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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