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Seiko 7T27-7A40
The Seiko 7T27-7A40 watch movement features shock protection for enhanced durability and reliability.
The Seiko 7T27-7A40 features the following functions:
- Shock Protection
Balance Staff Listing
| Ronda Reference # | Shock System | Buy |
|---|
Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 1.30 x 0.100 x 320 x 9.0 mm | GR3255 | Manual | 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 1.30-.10-320 9 | MS-411M | GR 3255 | Buy part |
| MAINSPRING 1.30-.10-322 | MSS-WT8 | Buy part | |
| PALLET ARBOR | 72S/77P | 714/MST 410 | Buy part |
| ROLLER, INCABLOC 180X80X36 | 82S/148R | 730/AUR 18 | Buy part |
| STAFF, INCA | 728/WIT 10TNG | Buy part | |
| STEM | 200/845F | Buy part |
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