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Seiko 7N39A
The Seiko 7N39A watch movement features shock protection, an automatic winding mechanism, and sweep seconds functionality.
The Seiko 7N39A features the following functions:
- Automatic Winding
- Shock Protection
- Sweep Seconds
Balance Staff Listing
| Ronda Reference # | Shock System | Buy |
|---|
Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 1.20 x 0.105 x 320 x 10.0 mm | GR2936X | 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) |
|---|
Documents
Parts Listing
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