IWC 41-724, Balance staff

• IWC original balance staff, not in factory packaging.

• Fits cal: 41 with incabloc shock protection.

Technical data IWC cal: 41 (1949 - 1970).

• 17 jewels, manual wind.
• S: = 5.75 x 7.75''' 13.8 x 17.3 mm.
• H: = 3.4 mm.
• N: = 19.800 A/h.
• Power reserve: 40 h.