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Seiko W359-4A40
The Seiko W359-4A40 watch movement features a sweep seconds function and utilizes a Breguet hairspring.
The Seiko W359-4A40 features the following functions:
- Sweep Seconds
Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|
Incabloc Part Listing
| Block # (Top/Bottom) | Cap Jewel # (Top/Bottom) | Spring # (Top/Bottom) | |
|---|---|---|---|
| See More |
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 |
|---|---|---|---|
| CROWN WHEEL RING | 422/107 | Buy part | |
| STAFF 6 3/4 X 8 ONLY | 100/2082 | 723/GRU 225 | Buy part |
| STEM | 200/1039F | Buy part |
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