FHF/ST 74-185, Barrel drum

• FHF/ST original part, from a NOS movement.
  

• Fits cal: 74, 96, 96N, 96.4, 96.4N, 969, 969N, 969.4, 969.4N
  

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:

• 96:       18.000 /h.
  
• 96.4:    18.000 A/h, date.
• 969.4:  18.000 /h, date.
• 97:       21.600 A/h.
• 974:     21.600 /h, date.