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Seiko B337-401B
The Seiko B337-401B watch movement operates at a beat rate of 21600 vibrations per hour (vph).
The Seiko B337-401B features the following functions:
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) |
|---|
Documents
Parts Listing
| Part Description | Reference # | Alternate | Buy |
|---|---|---|---|
| CLUTCH WHEEL | 064-02 | 064-02 | Buy part |
| FOURTH WHEEL, REGULAR | 220/947 | Buy part | |
| ROLLER | 044-02 | 730/64 | Buy part |
| STEM | 401/283 (use 200/1134) | 401/283 | Buy part |
| STEM, T10 | 200/33F (use 200/1134F) | 200/33F | Buy part |
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