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Seiko 2B31-5030
Ligne: 11.5'''
The Seiko 2B31-5030 watch movement is an automatic mechanical watch movement.
The Seiko 2B31-5030 features the following functions:
- Automatic Winding
Balance Staff Listing
| Ronda Reference # | Shock System | Buy |
|---|
Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 1.45 x 0.085 x 240 x 7.5 mm | GR3930X | Auto | Buy mainspring |
| 1.45 x 0.085 x 240 x 7.0 mm | Auto | 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 1.45-.085-240 7 | MSS-WA12 | GR 3930-X | Buy part |
| PALLET ARBOR | 72S/169P | Buy part | |
| ROLLER 180X75X36 | 82S/40R | 730/31 | Buy part |
| ROLLER, INCABLOC 180X75X36 | 82S/147R | 730/AS 1649 | Buy part |
| STAFF, REG/INCA | 100/425A | Buy part | |
| STEM | 200/408F | Buy part |
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