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Seiko 8123-6390
The Seiko 8123-6390 watch movement features a sweep seconds function.
The Seiko 8123-6390 features the following functions:
- Sweep Seconds
Balance Staff Listing
| Ronda Reference # | Shock System | Buy |
|---|
Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 1.50 x 0.100 x 300 x 9.0 mm | GR4122 | Manual | Buy mainspring |
| 1.50 x 0.105 x 300 x 9.0 mm | GR4134 | 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, INCABLOC | 721/193 | INCA/ETA 1080-1 | Buy part |
| MAINSPRING 1.50-.10-300 9 | MS-611K | GR 4122 | Buy part |
| PALLET ARBOR 40X110X10 | 72S/93P | 714/AS 1430 | Buy part |
| ROLLER, INCABLOC 180X90X36 | 82S/150R | Buy part | |
| STAFF, INCA 70 HSPRING | 100/749 | Buy part | |
| STEM, FEMALE OA 8.89 SH 3.05 | 360/50 | 360/ETA 1080 | Buy part |
| STEM, TAP 10 | 200/126F | Buy part |
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