Omega 480-1208, Main spring
- Manufacturer: Prima, no: 135 D 21
- Fits cal: 480, 481, 482, 483
- H: 1,35
- D: 5,5
- F: 0,065
- L: 210
Versions:
- 480: screw balance, Kif-Duofix.
- 481: screw balance, Kif-Duofix.
- 482: flat balance ring, Kif-Duofix.
- 483: flat balance ring.
- 484: flat balance ring, new main spring.
- 485: flat balance ring, adjustable stud carrier, 21600.