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Armin Strom unveils the Dual Time GMT Resonance - Manufacture Edition Black

MARCH 28 2025    |    Watches and Wonders 2025

Manufacture Edition Black: a striking monochrome design that seamlessly blends dials and movement, encased in a 39mm stainless steel case and complemented by a glossy taupe alligator strap.

When two oscillators beat as one
At the core of this horological achievement is the ARF22 calibre—our 18th movement, designed, engineered, and built entirely within our Manufacture. Featuring two balance wheels that oscillate in resonance, our patented clutch mechanism allows their vibrations to synchronize and regulate one another, ensuring unparalleled accuracy.

 

Comprising 231 meticulously crafted components, the ARF22 operates at 25,200 vibrations per hour, delivering a 42-hour power reserve. The GMT function of the timepiece features two independent displays, each with its own day/night indicator. Plus, with independently adjustable hour and minute hands, you can set time zones that deviate from GMT by fractional hours—Positioning the Dual Time GMT Resonance Manufacture Edition as the ideal companion, wherever your travels may lead.

 

But the true essence of this timepiece lies in its mechanical heart. Here, our patented clutch ensures that resonance remains stable, even against everyday shocks and impacts—marking a milestone in horological history and taking timekeeping to the next level of both art and science. The watch's monochromatic aesthetic and its glossy taupe alligator strap are more than just visual appeal—they serve as a backdrop to the real stars: hundreds of hand- decorated components, many visible through our signature transparent mechanics. At Armin Strom, we believe every tiny gear deserves to be seen, as they each play a vital part in the precision and beauty of the movement.

 

Reserve Dual Time GMT Resonance

Dual Time GMT Resonance - Manufacture Edition Black

Technical specifications

                   

Indications     Double time zone with independent hours, minutes and day/night indicator
Movement     Armin Strom manufacture Caliber ARF22
Winding mechanism     Manual winding
Functions   Resonance, GMT
Regulating system   Two independent regulating systems connected by a resonance clutch spring
Power reserve   42 hours
Dimensions   34.15 mm × 4.92 mm
Frequency   3.5 Hz (25,200 vph)
Jewels   40
Number of components   231
Case   Stainless steel
    Sapphire crystal and case back with anti-reflective treatment
Diameter   39.00 mm
Height   9.05 mm
Water resistance   5ATM
Lug-to-Lug   44.50 mm
     

Dial

 

Black grenage with black azurage chapter rings and applied polished indexes, polished and blackened steel day/night discs

Hands  

Rhodium, facetted and polished

Bracelet   Glossy taupe alligator strap with stainless steel pin buckle

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