FHF/ST 97-721N, Balance, complete

• FHF/ST original balance, new in factory sealed packaging.

• N: = 21.600 A/h.

• Fits cal: 97, 974
  

Technical data: FHF/ST 96

• Manual wind, center second.
• Size: 11.5'''25.6 mm.
• H: = 4.50 mm.
• N: = 21.600 A/h.
• Power reserve: 46 h.

Versions:

• 97:
• 974:       date.