ARMIN STROM – RESONANCE Minute Repeater Resonance 12:59 First Edition

 

ARMIN STROM – RESONANCE Minute Repeater Resonance 12:59 First Edition 39mm Titanium 2026

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 Minute Repeater Resonance 12:59 First Edition: A New Benchmark.

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●​ Westminster chime with 4 hammers and gongs  

●​ 2 distinct striking modes
○​  On Time
○​  12:59 Anytime
●​    Column wheel switch for striking modes
●​    Flying governor
●​    Patented resonance clutch

●​    Titanium case, 42 mm diameter, 11.70mm thickness

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12:59 Anytime.

Armin Strom introduces the Minute Repeater Resonance 12:59 First Edition, a fully new development inspired by Masterpiece 2, expressed through entirely new proportions and mechanical architecture. 

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Engineered in a more compact 42 mm case, with a slimmer profile, while reaching a new level of mechanical complexity. Requiring meticulous attention to every component.

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This evolution is accompanied by a significant increase in mechanical intricacy. The striking system has been expanded from two to four hammers and four gongs, while a newly developed function introduces an additional level of interaction. 

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Through a dedicated selector, the wearer may choose between the conventional indication of time or activate the 12:59 sequence – the longest possible strike of the mechanism.

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Beyond its technical advancements, the watch is defined by a singular design language, marked by purity of form and balanced proportions. While remaining fully openworked and three-dimensional, the composition is expressed with greater restraint, favouring softer lines and a more fluid architecture. 

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The resonance clutch has been reoriented to animate upward, bringing the oscillating interaction to the forefront, while the twin balance wheels remain visually anchored on the dial side.

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The display is centred, reinforcing a strong sense of equilibrium, as the overall composition focuses on essential elements alone: the resonance system, the four hammers and gongs, and the visible flying governor regulating the cadence of the strike. 

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Conceived as a lasting expression of the complication, the design achieves a rare balance between mechanical intensity and visual harmony, while remaining unmistakably rooted in Armin Strom’s signature transparency.

Calibre ARR25: Setting new standards.

At the heart of the timepiece lies the entirely new manual-winding manufacture Calibre ARR25, developed, engineered and produced in-house. 

 

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Built around Armin Strom’s patented resonance clutch, the movement synchronises two independent regulating systems - each with its own barrel, gear train, escapement and balance wheel - operating in harmonic resonance.

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 This dual architecture significantly increases mechanical complexity, requiring the precise coordination of twice the number of components found in a conventional striking movement.

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The minute repeater mechanism itself has been developed to match this level of sophistication. Equipped with four hammers and four gongs within a remarkably thin construction, the movement delivers a full Westminster chiming sequence. 

 

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A flying governor, visible on the dial side beneath the hammers, regulates the cadence of the strike, ensuring acoustic consistency and offering a dynamic visual indication.

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A further innovation lies in the integration of the 12:59 function, allowing the wearer to select between two distinct striking modes. In standard operation, the watch chimes the time indicated by the hands. Alternatively, it delivers the longest possible sequence - 12 hours, three quarters and fourteen minutes.

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This transition is governed by a column wheel system, ensuring precision and reliability. The selected function is indicated via a discreet aperture (white / red), and activation is performed through a slider at 9 o’clock, which both winds and releases the striking mechanism.

Finishing, Tone by Tone.

Beyond its mechanical sophistication, the watch reflects Armin Strom’s commitment to hand craftsmanship. 

 

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Every component is meticulously finished by hand, with a complete 360-degree decoration by a dedicated in-house team.

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On the dial side, the finishing reveals a balance between polished and matte surfaces. The hammers, gongs and resonance clutch spring are mirror-polished, contrasting with the frosted mainplate and bridges. Hand-bevelled edges, polished sinks, and refined textures enhance depth and definition.

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The flying governor stands out as a focal point, combining hand-bevelled edges, circular graining, and a contrasting matte engraved surface.

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Turning the watch over reveals traditional finishing techniques such as Geneva stripes, straight and circular graining, alongside contemporary textures, creating a composition rich in detail, depth, and visual contrast.

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TECHNICAL SPECIFICATIONS  

Collection :  RESONANCE

Model: RESONANCE Minute Repeater Resonance 12:59 First Edition

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 Reference no. M26-RMR.5N  

Movement
Armin Strom Manufacture Caliber ARR25

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Indications: ​ Hours, minutes​
Winding mechanism: ​ Manual winding
Functions:​    Resonance, Minute Repeater 12:59​
Regulating system: ​    Two independent regulating systems connected by a resonance clutch
Power reserve: ​    40 hours
Frequency: ​    3.5 Hz (25,200 vibrations per hour)
Dimensions: ​34.40 mm x 6.53 mm
Jewels: ​74
Number of components: 506
Case
Titanium
Sapphire crystal and case back with anti-reflective treatment
Water resistance: ​5 ATM
Diameter: ​42 mm
Height: ​11.70 mm
Lug-to-Lug:​48.00 mm
Dial 
Ring: ​Titanium, anthracite
Hands: ​    Stainless steel, decorated by hand
Strap ​
Matte grey alligator strap with dark grey stitching​ Titanium pin buckle

 🔰EDITION  -  Limited edition to 25 pieces
🔴 Price: CHF 390,000 / EUR 422,000 / USD 490’000 (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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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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