Watch Database
Seiko 7N42-0AS0
Jewels: 17
The Seiko 7N42-0AS0 watch movement features 17 jewels, which reduce friction and improve overall accuracy and efficiency.
The Seiko 7N42-0AS0 features the following functions:
Balance Staff Listing
| Ronda Reference # | Shock System | Buy |
|---|
Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 1.90 x 0.190 x 500 x 15.5 mm | GR5644 | 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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