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Seiko 1520-3690
Ligne: 10.5'''
The Seiko 1520-3690 watch movement features a Pin Lever escapement, which is responsible for regulating the timekeeping accuracy of the watch.
The Seiko 1520-3690 features the following functions:
- Pin lever
Balance Staff Listing
| Ronda Reference # | Shock System | Buy |
|---|---|---|
| 75 | Ordinary/None | Buy staff |
| 74 | Ordinary/None | Buy staff |
Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 1.20 x 0.095 x 440 x 11.0 mm | GR2910 | 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) |
|---|
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