OMEGA 18-19''', Balance staff, Ronda: 1872
- Manufacturer Ronda no: 1872
- Total length: 596
- Fits cal: 18''' 062, 18-19''' 062, 264, 19''' BCN T1, 22, 43, Chrono
- A: = 596 (ronda A).
- B: = 310 (ronda B).
- F: = 90 (ronda K).
- G: = 130 (ronda J).
- H: = 66 (ronda G).
Conversion: Ronda to DCN
- A = A
- B = B
- J = G
- G = J
- K = F
