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Armin Strom

Armin Strom Mirrored Force Resonance Manufacture Edition Green Limited Edition

SKU: ST22-RF.20 

Armin Strom
  • $71,000.00
  • $5,000.00

This item requires a deposit to pre-order. A separate invoice will be sent to you for the balance when we are ready to ship the item.

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A milestone for independent watchmaking

A micro-mechanical revolution, the Mirrored Force Resonance in steel with a brooding green dial is the result of years of intensive research by Claude Greisler and the Armin Strom manufacture in incorporating the physical phenomenon of resonance in watchmaking for the ultimate chronometric stability. It works by means of the patented Resonance Clutch Spring, which directly connects and synchronizes the two hairsprings for the fastest and most regular resonant state ever witnessed in a wristwatch.

A physical phenomenon that has intrigued the greatest watchmakers for centuries yet remains exceedingly rare, the principle of resonance allows for a more regular timekeeping rate by synchronizing two balance wheels that oscillate in opposite directions at the same time. The manufacture’s patented Resonance Clutch Spring is able to reach and remain in a state of resonance faster and for longer than any other resonance system in watchmaking, resulting in a consistent rate that’s more impervious to shocks and positional rate variances. 

The Mirrored Force Resonance not only deftly demonstrates the ingeniously conceived and patented Resonance Clutch Spring in action, but allows the wearer to track its performance with twin-second indicators linked to the two resonant regulating organs, which can be synchronized using a flyback function activated by a pusher on the case. This interactive feat of functional micro-mechanical art elevates Armin Strom’s unique resonance technology above all others. 

Watches incorporating the physical phenomenon are some of the rarest, with only a handful having been invented in the history of watchmaking. Yet none can match the performance of Armin Strom’s patented Resonance Clutch Spring, recognized as the quickest synchronizing and most reliable resonance watch mechanism ever made. It represents a total reimagining of the way resonance can be taken advantage of watchmaking and a truly groundbreaking technical innovation. 


  • 43mm Stainless steel (13mm thick, 50.9mm L2L)
  • Sapphire crystal and case back with anti-reflective treatment
  • Water-resistance: 50 meters
  • Movement: In-house manufactured Armin Strom Mirrored Force Resonance
  • Distinctions: Manual-wound with twin independent regulation systems that stabilize each other connected by a resonance clutch spring. Twin second flyback pusher at 2:00
  • Frequency & Power reserve: 25,200 vph, 48 hours
  • Off-center dial in green with grenage centre and a circular satin-brushed chapter ring and applied polished baton indices, stainless steel hands
  • Strap: Grey Alcantara strap with tonal stitching (22 lug width) and stainless steel pin buckle
  • Two independent regulation systems connected by a resonance clutch spring and synchronized with twin second fly-back pusher at 2:00
  • Limited Edition: 50 pieces