Zenith 126-5-220, Fourth wheel

• ZENITH original part, not in factory packaging.
  

• Fits cal: 126-5, 126-5-6
  

Data: Zenith cal: 126

• 17 jewels, manual wind, sub second.
• Size: 12''' 26.75 mm.
• H: = 3.85 mm.
• N: = 18.000 A/h.
• Power reserve: 46 h.
• Mainspring: 1.55 X 10.5 - 0.105 - 380

Versions:

• 126: sub second.
• 126-5: center seckond.
• 126-6: Pare-chocs
• 126-5-6: center second, Pare-choc.
• 126 P: Pincé movement.
• Suffix B: Breguet hairspring.