![Longines 340-728, Balance staff](http://urdelar.se/cdn/shop/files/0000_longines_7_3d1cee99-a668-4d16-97eb-c481ede9ccaf_{width}x.jpg?v=1701802467)
Longines 340-728, Balance staff
- LONGINES original balance staff, not in factory packaging.
- N: = 19.800 A/h.
- Fits cal: 340, 341, 350, 351
Versions:
- 340: center second.
- 341: center second, date.
- 342: center second, redesign.
- 343: center second, date, redesign.
- 345: center second, date.
- 350: sub second.
- 351: sub second, date.
- 352: sub second, redesign.
- 353: sub second, date, redesign.
- 355: sub second, date, redesign.