FHF 150-401, Winding stem

• FHF original stem, not in factory packaging.

• Thread: 0.90 mm.
  

• Fits FHF cal: 150, 150-1, 150-3

Technical data: FHF: 150

• 15 jewels, manual wind, sub second.
• Size: 10.5 - 11.5''' 23.7, 26 mm.
• H: = 4.0 mm.
• N: = 18.000 A/h.
• Power reserve: 44 h.

Versions:

• 150: sub second.
• 150-1: sweep second.
• 150-3: sub second, date hand.