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Seiko 7123-8100
Jewels: 21
The Seiko 7123-8100 watch movement features an Offset Center Wheel, which contributes to the efficient transmission of power within the movement. It also includes a Sweep Seconds function, allowing for precise timing of seconds. Furthermore, the movement is equipped with 21 Jewels, which reduce friction and enhance durability and accuracy.
The Seiko 7123-8100 features the following functions:
- Offset Center Wheel
- Sweep Seconds
Balance Staff Listing
| Ronda Reference # | Shock System | Buy |
|---|
Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|
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) |
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Documents
Parts Listing
| Part Description | Reference # | Alternate | Buy |
|---|---|---|---|
| CLICKSPRING | 430/151 | 902-01/ETA 1045 | Buy part |
| CLUTCH WHEEL | 064-01 | 407/782 | Buy part |
| PALLET ARBOR, 40-90-09 | 72S/80P | 72S/80P | Buy part |
| SET LEVER | 067-01 | 443/965 | Buy part |
| SET SPRING | 440/542 | 440/AS 1525 | Buy part |
| STEM | 200/1460F | Buy part | |
| STEM, GENUINE | 065-35 | 065-35 | Buy part |
| SWEEP SECOND PINION HT 5.30 | 025-01 | 275/366 | Buy part |
| WINDING PINION | 063-01 | 410/934 | Buy part |
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