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Seiko 7N39-5A49
The Seiko 7N39-5A49 watch movement features an Adjustable Stud Holder, providing precise adjustment of the balance wheel. It also includes Shock Protection, ensuring durability and reliable performance under normal wear conditions. Moreover, the movement incorporates Sweep Seconds, allowing for smooth and continuous motion of the second hand.
The Seiko 7N39-5A49 features the following functions:
- Adjustable Stud Holder
- Shock Protection
- Sweep Seconds
Balance Staff Listing
| Ronda Reference # | Shock System | Buy |
|---|
Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 1.30 x 0.100 x 300 x 9.0 mm | GR3254 | 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 |
|---|---|---|---|
| CANNON PINION, SS HT 2.85 | 245/1001 | /DUR 470/3 | Buy part |
| FOURTH WHEEL, SS HT 6.59 | 227/590 | /DUR 450/3 | Buy part |
| MAINSPRING 1.30-.10-300 9 | MS-411K | GR 3254 | Buy part |
| PALLET ARBOR | 72S/76P | 714/DUR 450 | Buy part |
| ROLLER 180X85X36 | 82S/42R | Buy part | |
| ROLLER, INCABLOC 180X85X36 | 82S/149R | Buy part | |
| STAFF, SHOCK | 100/2638 | Buy part | |
| STEM | 200/1362F | 401/DUR 451 | Buy part |
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