FHF
Full technical sheet ↓
FHF Cal. 34-21 - Regulator with adjustable stud holder, for flat hairspring 307
Technical sheet
Brand
FHF
Calibre
FHF 34-21
International reference
307
Compatibility
FHF 32, FHF 34
State
Never used
Year of production
1955
Caliber diameter
17.20 mm
Caliber height
2.90 mm
Frequency
21'600 A/h
Power reserve
44h
Ruby
17
SKU
FHF_34-21_307
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