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Seiko 2E20-5100
The Seiko 2E20-5100 mechanical watch movement features a sub seconds function.
The Seiko 2E20-5100 features the following functions:
- Sub Second
Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 1.55 x 0.105 x 280 x 9.0 mm | GR4390 | Manual | Buy mainspring |
| 1.50 x 0.110 x 300 x 9.0 mm | GR4149 | 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 |
|---|---|---|---|
| BALANCE COMPLETE | 721/180 | 721/GP 05-OLD | Buy part |
| MAINSPRING 1.50-.11-300 9 | MS-610K | GR 4149 | Buy part |
| PALLET ARBOR | 72S/52P | 714/AS 1650 | Buy part |
| ROLLER 180X80X36 | 82S/41R | Buy part | |
| ROLLER, INCABLOC 180X80X36 | 82S/148R | 730/AUR 18 | Buy part |
| STAFF, NON SHOCK 50 HSP | 100/180 | Buy part | |
| STEM, TAP 10 1.3=HUB | 200/125F | 401/ETA 900 | Buy part |
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