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Seiko 7439-7001
The Seiko 7439-7001 features the following functions:
Balance Staff Listing
| Ronda Reference # | Shock System | Buy |
|---|
Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 2.70 x 0.210 x 520 x 16.5 mm | GR6896TB | TB | 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 |
|---|---|---|---|
| MAINSPRING 2.70-.21-520 (16,5) | MS-JA412 | GR 6896-TB | Buy part |
| STAFF, ILL 18/0S | 47630/ILL | 47630/ILL | Buy part |
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