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Seiko W921-403B
The Seiko W921-403B watch movement is an automatic mechanical movement with a sweep seconds function.
The Seiko W921-403B features the following functions:
- Automatic Winding
- Mechanical Movement
- Sweep Seconds
Balance Staff Listing
| Ronda Reference # | Shock System | Buy |
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Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
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Incabloc Part Listing
| Block # (Top/Bottom) | Cap Jewel # (Top/Bottom) | Spring # (Top/Bottom) |
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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 |
|---|---|---|---|
| PALLET ARBOR | 72S/46P | 714/GRU 225 | Buy part |
| ROLLER 180X75X36 | 82S/40R | 730/31 | Buy part |
| ROLLER, INCABLOC 180X75X36 | 82S/147R | 730/AS 1649 | Buy part |
| STAFF | 100/1215 | Buy part | |
| STEM | 200/114F | Buy part | |
| STEM, FEMALE 9.95MM | 360/243 | 360/243 | Buy part |
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