
Armin Strom Dual Time GMT Resonance Aventurine watch
Swiss independent brand Armin Strom has never been afraid to put mechanics front and center, and its newest Dual Time GMT Resonance Aventurine may be one of the most visually poetic executions yet. Limited to just 15 pieces, the watch combines the brand’s signature resonance technology with a shimmering aventurine dial that looks very much like a deep star-filled night sky.
For collectors who appreciate movement architecture as much as traditional watchmaking artistry, this piece hits a compelling balance. The sparkling blue aventurine backdrop softens the highly technical presentation of the openworked dial and twin balance system, while rose-gold-toned accents add warmth throughout the display.

Just 15 pieces of the Armin Strom Dual Time GMT Resonance Aventurine watch will be made.
At the heart of the watch is Armin Strom’s manually wound in-house Caliber ARF22, featuring the brand’s patented resonance clutch system. Resonance remains one of the rarest and most difficult phenomena to harness in watchmaking. Here, two independent regulating systems are synchronized so the balance wheels oscillate in harmony, helping improve chronometric stability. Beyond the technical achievement, it also creates an incredibly mesmerizing visual performance on the dial side.
The watch offers independently adjustable dual time indications, each with its own hours, minutes and day/night display — making it a genuinely useful GMT for travelers rather than simply an academic exercise in high horology.
Measuring 39 mm in stainless steel and just over 9 mm thick, the watch wears with far more restraint than many complicated independent creations. The grey alligator strap and monochromatic palette allow the dial and movement finishing to remain the stars of the show.

The watch is powered by the manually wound caliber ARF22 with patented clutch system.
Flip the watch over and the finishing continues to impress. The movement showcases hand-polished bevels, black polishing, perlage and Geneva stripes, all executed in the meticulous style collectors have come to expect from Armin Strom. Particularly striking is the mirror-polished resonance bridge, which catches the light beautifully against the warm rose-gold-toned mainplate.
This newest Dual Time GMT Resonance Aventurine underscores what makes modern independent watchmaking so appealing today: mechanical innovation paired with emotional design. In this case, the science of resonance meets the romance of a celestial sky — and the result is captivating.
The Armin Strom Dual Time GMT Resonance Aventurine is limited to 15 pieces worldwide and retails for CHF 105,000.

The Armin Strom Dual Time GMT Resonance Aventurine watch retails for approximately $134,000.





