ARM09
Calibre ARM09 is Armin Strom’s in-house manual-wind double barrel movement, offering a 7-day power reserve with small seconds and power reserve indication.
Functions
Hour, minute, small second, power reserve indication
Impulse
Double going barrel
Winding-mechanism
Manual wind-up with crown wheels turning on the dial side
Plate and bridges
Plate and bridges are decorated at the highest quality level, hand-engravings always correspond to each element
Regulating system
Screwed balance with Breguet overcoil
Frequency
18,000 A/h
Number of jewels
34
Number of individual parts
146
Diameter
36,60 mm
Height
6,20 mm
Power reserve
7 days
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