Buser 101-723, Balance staff

• BUSER original balance, complete in factory packaging.
  

• Fits cal: 101
  

Data Buser cal: 101

• 17 jewels, manual wind, sweep second.
• S: = 11.5'''  25.60 mm.
• H: = ?
• N: = 18.000 A/h.
• Power reserve: