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Seiko 7N42-6C50
The Seiko 7N42-6C50 watch movement features a sweep seconds function.
The Seiko 7N42-6C50 features the following functions:
- Sweep Seconds
Balance Staff Listing
| Ronda Reference # | Shock System | Buy |
|---|---|---|
| 2173 | Ordinary/None | Buy staff |
| 3530 | Ordinary/None | Buy staff |
| 2172 | Shock Resist | Buy staff |
Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 1.70 x 0.110 x 260 x 8.0 mm | GR4904 | 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 1.70-.11-330 | MS-810N | GR 4904 | Buy part |
| PALLET ARBOR | 72S/102P | 714/FF 30 | Buy part |
| ROLLER 200X95X42 | 82S/75R | Buy part | |
| STAFF, HSP .40 | 100/802 | Buy part | |
| STEM, SPLIT | 360/78 | Buy part | |
| STEM, T9 | 200/335F | Buy part |
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