IWC 75, 76, 86 (10'''), Balance staff, Ronda: 1354

• Manufacturer Ronda no: 1354

• Total length: 310

• Fits cal: 75, 76, 86 (10''').

• A: = 310 (ronda A).
• B: = 158 (ronda B).
• F: = 62 (ronda K).
• G: = 90 (ronda J).
• H: = 41 (ronda G).

Conversion: Ronda to DCN

• A = A
• B = B
• J = G
• G = J
• K = F