Armin Strom Mirrored Force Resonance White Enamel Dial (Pre-Owned)An utterly show stopping watch from Armin Strom is this Mirrored Force Resonance in rose gold with grand feu enamel dial. Resonance is the phenomenon when two oscillators with the same natural frequency vibrate in synchronization resulting in a stable rate. The few watchmakers today offering Resonance watches each go about it in their own way. Armin Strom achieves this with a clutch spring that provides direct linkage between the two balance springs,