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Seiko 5420-5050
The Seiko 5420-5050 features the following functions:
Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 1.60 x 0.065 x 260 x 6.5 mm | GR4421 | Manual | Buy mainspring |
| 1.60 x 0.070 x 240 x 6.5 mm | GR4428 | 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 |
|---|---|---|---|
| MAINSPRING 1.60-.07-240 6,5 | MS-715H | 4428-GR | Buy part |
| PALLET ARBOR | 72S/52P | 714/AS 1650 | Buy part |
| ROLLER 190X90X36 | 82S/60R | Buy part | |
| SCREW, AUTO BRIDGE SHORT HEAD | A/3479 | 7003/ROL 1030 | Buy part |
| STAFF | 100/705 | Buy part | |
| STEM | 200/838F | Buy part |
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