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Seiko 1E20-0550
Base: Gruen 300
The Seiko 1E20-0550 features the following functions:
Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 1.00 x 0.080 x 200 x 6.5 mm | GR2412 | 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, BREGUET | 722/GRU 300 | 722/GRU 300 | Buy part |
| CLICK SPRING | 430/GRU 300 | Buy part | |
| CLUTCH WHEEL | 407/GRU 300 | Buy part | |
| MAINSPRING 1.00-.08-200 6,5 | MS-1513A | GR 2412 | Buy part |
| PALLET ARBOR | 72S/3P | 714/GRU 210 | Buy part |
| ROLLER 165X65X32 | 82S/20R | Buy part | |
| STAFF | 100/382 | GRUEN 300 | Buy part |
| STEM, O/S O.M. | 200/929F | Buy part | |
| STEM, W/O HUB O.M. | 200/398F | 401/GRU 280 | Buy part |
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