FHF 26-401, Winding stem

• FHF original stem, not in factory packaging.
• Thread: 0.90 mm.
• Fits cal: 26, 261.2, 261.2N

Data FHF 26 (12''').

• 15/17 jewels, stem wind and set, sub second.
• Size: 12''', 26.60 mm.
• H: = 3.85 mm.
• N: = 18.000 A/h.
• Power reserve: 46 h.

Versions with height: 3.85 mm.

• 26:        12''' Base caliber.
• 261:      13'''
• 261-2:   13''' date.
• 261-2N: 13''' date, minor mod.
• 262:       12'''
• 263:       12'''
• 264:       12'''
• 265:       12'''
• 266:       12'''
• 267:       12'''

Versions with height: 3.45 mm.

• 27:         12'''
• 271:       13'''
• 271-2:    13''' date.