ARMIN STROM – Mirrored Force Resonance – Ruby Edition

 

ARMIN STROM – RESONANCE Mirrored Force Resonance – Ruby Edition 2026

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A Living Stone: The Mirrored Force Resonance Ruby. 

A material shaped by nature. A movement crafted and hand-finished in Biel.

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Armin Strom presents a new interpretation of the Mirrored Force Resonance, distinguished by a dial crafted from natural ruby - a gemstone prized for its vivid character and intrinsic vitality. Each dial is cut from genuine ruby, selected for the depth of its colour and the nuances only nature can create. 

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No two stones are identical. Fine inclusions and tonal variations are not imperfections, but signatures of authenticity - traces of a material formed over millions of years. The ruby introduces a vibrant mineral intensity that contrasts with the architectural symmetry of the resonance movement. 

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Its natural luminosity interacts subtly with light, revealing shifting red tones that bring warmth and presence to the exposed mechanics. Created in collaboration with a local stone artisan, this edition reflects Claude Greisler’s belief that materials must carry meaning beyond aesthetics. In ruby, symbolism and mechanics converge. 

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Ruby has always played an essential role in watchmaking. Within the movement, synthetic ruby jewels minimise friction and ensure long-term precision. On the dial, natural ruby asserts its presence - while engineered ruby ensures performance. 

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Housed in a 43 mm stainless steel case and paired with a grey Alcantara strap with white stitching, the Ruby edition delivers a powerful mineral presence. White printed Roman numerals complete the display, adding a classical counterpoint to the watch’s contemporary structural design.

Resonance, Perfected.

At the heart of the timepiece beats the manual-winding manufacture Calibre ARF21, entirely designed, developed and produced in-house. Its patented Resonance Clutch synchronises two independent regulating systems, allowing the twin balance wheels to oscillate in harmonic resonance. 

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The result is enhanced chronometric stability and long-term precision. A pusher at 2 o’clock resets both seconds counters simultaneously, offering a visual demonstration of the resonance phenomenon in action. 

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Operating at 3.5 Hz (25,200 vph) with a 48-hour power reserve, the movement transforms a centuries-old scientific principle into a modern mechanical achievement.

Designed to Matter.

The movement showcases Armin Strom’s approach to hand-finishing. Hand-polished bevels, black-polished screws, perlage and circular graining enrich the architecture, while Geneva stripes on the reverse enhance depth and contrast. 

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The interplay between the vivid ruby dial and the exposed mechanics creates a dynamic three-dimensional kinetic display. As with all Armin Strom timepieces, each watch is assembled twice to ensure both mechanical performance and finishing excellence. 

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Every surface is treated as an integral element of the overall composition, reinforcing the brand’s philosophy of transparent expression and artisanal precision.

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TECHNICAL SPECIFICATIONS  

Collection :  RESONANCE

Model: Mirrored Force Resonance – Ruby Edition

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Ref. ST23-RF.10

Distinctions
Two independent, symmetrically mirrored regulators
Resonance, Flyback
Two independent regulating systems connected by a resonance clutch
Ruby, off-center, Azuré dial
Printed roman numerals
10 years warranty

Movement
Armin Strom manufacture Caliber ARF21
Manual-winding, patented resonance clutch spring, 2 mainspring barrels
Regulating system: two independent regulation systems connected by a resonance clutch spring
Power reserve: 48 hours
Dimensions: 37.20 mm x 6.70 mm
Frequency: 3,5 Hz (25,200 vph)
Finishing: Hand-finishing to the highest quality level
Jewels: 39
Number of components: 276
Indications: Hours, minutes, twin-seconds Resonance,
Flyback Regulating system: Two independent regulating systems connected by a resonance clutch
Case
Stainless steel
Sapphire crystal and case back with anti-reflective treatment
Diameter: 43 mm
Height: 11,55 mm
Lug-to-Lug:  49.60 mm
Water resistance: 5 ATM / 50 m
Dial
Ruby
Off-center
Azuré dial
Printed roman numerals
Hands: Rhodium, polished, manufactured by Armin Strom, decorated by hand
Strap
Dark grey Alcantara strap with white stitching Stainless steel pin buckle

🔰EDITION  -  Limited edition to 5 pieces
🔴 Price: CHF 85,000 / EUR 93,200 / USD 93’600 (Price excluding tax / Free global delivery)💰  

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Press releases - 2026
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For further information, please contact:
Guerric Merrer / Head of Marketing
+41 (0)79 513 16 51 / g.merrer@arminstrom.com 
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Press releases - 2026
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ARMIN STROM AG |
Bözingenstrasse 46
CH-2502 Biel-Bienne | Switzerland
Tel. +41 (0)32 343 33 44
Fax +41 (0) 32 343 33 40
info@arminstrom.com
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