ARF22
Calibre ARF22 is Armin Strom’s dual time GMT resonance movement with two independent regulation systems linked by a resonance clutch spring.
Functions
Doule hour, double minute, double day/night indications
Impulse
Two independent barrels
Winding-mechanism
Manual
Plate and bridges
Plate and bridges are decorated at the highest quality level
Regulating system
Two independent regulation systems that stabilize each other connected by a resonance clutch spring
Frequency
25,200 vph
Number of jewels
40
Number of individual parts
231
Diameter
34.15 mm
Height
4.92 mm
Power reserve
42 hours
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