Zenith 1724-180/1, Barrel with arbor

• ZENITH original parts in good used condition.
  

• Mainspring included, its however in used condition.
  

• Fits cal: 1724
  

Data: Zenith cal: 1724

• 25 jewels, automatic wind.
  
• Size: 7.75'''   17.20 mm.
• H: = -- mm.
• N: = 19.800 A/h.
  
• Power reserve: -- h.
• Mainspring: --
  

Versions:

• 1724:   Sweep second.
  
• 1725:   No second.