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Seiko 5E20-7A50
The Seiko 5E20-7A50 watch movement is an automatic movement that features a sweep seconds function.
The Seiko 5E20-7A50 features the following functions:
- Automatic Winding
- Sweep Seconds
Balance Staff Listing
| Ronda Reference # | Shock System | Buy |
|---|
Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 1.40 x 0.110 x 260 x 8.0 mm | GR3696 | 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
| Part Description | Reference # | Alternate | Buy |
|---|---|---|---|
| ARBOR, THREADED PALLET 1.20 | 72S/159P | 714/GRU 210 | Buy part |
| MAINSPRING 1.40-.11-260 8 | MS-510H | GR 3696 | Buy part |
| ROLLER 205X90X36 | 82S/181R | 82S/181R | Buy part |
| STEM | 200/184F | Buy part |
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