FHF-ST 97, Balance, complete, no: 721N

• FHF original balance, new in factory sealed packaging.

• N: = 21.600 A/h.

• Fits cal: 97, 974

Technical data: FHF/ST 97

• 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.