Armin Strom represents a unique fusion of the swiss-german horological tradition with avant-garde ‘transparent mechanics’ and an unwavering commitment to horological innovation. Our watches are designed to both showcase how our movements actually work and to validate the attention to detail that goes into their production. Whether with a loupe or with the naked eye, with an Armin Strom timepiece there will always be something captivating to see.
Mirrored Force Resonance Zeitgeist 1665
Mirrored Force Resonance Zeitgeist 1665
Armin Strom introduces the Mirrored Force Resonance Zeitgeist 1665
The Zeitgeist imagines what a Resonance wristwatch might have looked like had it been achieved centuries ago — when resiliently-maintained Resonance had the potential to alter the course of human history. As such, it’s a ‘relic from a future that might have been’ but never was.
This new interpretation of the Zeitgeist offers a further exploration of how leading watchmakers of the past might have aesthetically interpreted the Resonance Phenomenon if they could have both solved the Resonance Fragility Problem and envisioned the concept of a ‘wrist watch’. Conceived with a ‘future imagined from the past’ ethos, this new Zeitgeist offers a creative vision of an imagined horological history that never was.
The Zeitgeist incorporates the Armin Strom Manufacture’s milestone achievement of stable and resilient Resonance in a slim and refined 43mm case; combining technical depth with optimal everyday wearability. It definitively achieves the longstanding horological ambitions for Resonance Synchronization that originated with Christiaan Huygens’s clock experiments in 1665.
Background
ARMIN STROM’s breakthrough achievement, stable and resilient Resonance, had been pursued since the 17th century by watchmaking pioneers like Christiaan Huygens because of its potential to deliver chronometric consistency — the gain or loss of precisely the same number of seconds each day, without fluctuation. Marine navigators of Huygens’s era were desperate for chronometric consistency so they could more accurately calculate longitude at sea. Despite the efforts of some of history’s most iconic watchmakers, chronometric consistency wasn’t achieved when it was needed most — because the Resonance Fragility Problem rendered Resonance timepieces unsuitable for the rigours of oceanic travel. Resonance simply couldn’t be maintained in dynamic, real-world conditions — until 2016. That’s when Armin Strom’s Claude Greisler, inspired by the suspension system found in Antide Janvier’s 18th-century Resonance Clock, introduced the first wristwatch to achieve Resonance with near-absolute resilience against disruption. Certified by the Centre Suisse d’Electronique et de Microtechnique (CSEM), ARMIN STROM’s patented solution actively mitigates torque fluctuations to maintain synchronization in the most challenging environments, including the human wrist.
Historical Context
Longitude historically required consistent, not perfect, timekeeping — because predictable daily variations could be factored into calculations of longitude. Back when navigators calculated longitude at sea by comparing the local “solar noon” (when the sun was highest) with the time at a known reference point, the potential for Resonance to deliver timekeeping consistency would have revolutionized navigation and saved many lives by improving Longitude calculations — but only if it could have been achieved with resiliency against disruption. As noted by Sir Isaac Newton in his speech to Parliament in 1714 establishing the Board of Longitude, “By reason of the motion of the ship, the variation of heat and cold, wet and dry, and the difference of gravity at different latitudes, such a watch hath not yet been made.” Had Christiaan Huygens successfully developed his Resonance Sea Clock in the 1600s, with the necessary resiliency against disruption, the Longitude Problem could have been effectively solved over a hundred years before John Harrison presented his H4 marine chronometer in 1759. Initially spurred by promises of great wealth offered by various European governments who sought a resilient chronometric solution for improved maritime navigation, the watchmaking challenge of harnessing Resonance resiliently remained elusive for four centuries, until Armin Strom’s Claude Greisler finally solved it in 2016 with the introduction of our first Resonance timepiece.
A Milestone in Resonance Watchmaking
In horology, the Resonance Phenomenon — known in physics as Huygens Synchronization — occurs when two balance wheels influence each other via the exchange of subtle, almost imperceptible vibrations and enter into a state of synchronized oscillation. Physicists describe this phenomenon as “shared modes of motion.” The benefit lies in oscillation rate stability. Resonance can prevent typical timing errors ordinarily caused by wrist motion, gravity, temperature shifts, and mild shocks. Depending on the design, a Resonance timepiece can deliver timekeeping precision, chronometric consistency, or both. Chronometric consistency means that a watch gains or loses exactly the same number of seconds each day, without variation. How well this Resonance Synchronization is maintained in fact depends on the technical solution, with Resonance timepieces being historically plagued by The Resonance Fragility Problem. That refers to how poor resilience against disruption had rendered the chronometric benefits of Resonance Synchronization intermittent, unpredictable, and unquantifiable. In prior movement architectures, the balance wheels tend to repeatedly drift apart in response to wrist motion and mild shocks, and then draw each other back into alignment — without the predictability required for any quantifiable chronometric benefit. Armin Strom’s patented Resonance Clutch and Resonance Suspension System sustain the Resonance phenomenon continuously and predictably, ensuring both chronometric precision and timekeeping consistency.
Exemplary Hand-finishing: Every component counts, even the parts you don’t see.
At Armin Strom, hand-finishing of every component is a core value. Hand-bevelled and polished bridges, black-polished screws, Perlage, Geneva stripes and circular graining are traditional decorative techniques that reflect our conviction that every component of every timepiece deserves meticulous artisanal attention.
Limited to 25 Examples
The Zeitgeist is a bold tribute to the history of Resonance watchmaking and a celebration of our milestone achievement of stable, predictable and resilient Resonance Synchronization.
Technical specifications:
Reference:
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ST25-RF.ZG
Indications:
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Hours, minutes, twin-seconds
Functions:
- Resonance, Flyback
Movement:
- Armin Strom manufacture Calibre ARF21_ZG
- Manual-winding, patented resonance clutch spring, 2 mainspring barrels
- Functions: Resonance, Flyback
- Bridge/Main plate: Rose gold coloured PVD coated
- Regulating system: two independent regulation systems connected by a resonance clutch spring
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Power reserve: 80 hours
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Dimensions: 37.20 mm x 6.70mm
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Frequency: 3.5 Hz (25,200 vph)
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Finishing: Base plate and bridges are decorated to the highest quality level
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Jewels: 39
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Number of components: 260
Case:
- Stainless steel
- Sapphire crystal and caseback with anti-reflective treatment
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Diameter: 43.00 mm
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Height: 11.55 mm
- Lug-to-Lug: 49.60 mm
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Water resistance: 3 ATM
Dial:
- 18K White Gold, “vernis laqué poli”, off-center
Hands:
- Manufactured by Armin Strom
- Heat blued stainless steel with hand finishing
Strap:
- Dark grey Alcantara strap with grey stitching
- Stainless steel pin buckle
Edition:
-
Limited to 25 pieces
About Armin Strom
Armin Strom is an independent watch company based in Biel/Bienne, Switzerland. Armin Strom timepieces offer a unique fusion of the Swiss-German horological tradition, avant-garde “transparent mechanics” and an unwavering commitment to horological innovation. The hallmark of the brand’s low-volume, artisanal approach to watchmaking is its commitment to exposed dial-side movement mechanics, with every part hand-finished to the highest haute-horology standards.
Armin Strom was established in 1967 by Mr Armin Strom, a legend in the art of hand-skeletonization. In 2006, the stewardship of Mr Strom’s legacy became the responsibility of Master Watchmaker Claude Greisler and businessman Serge Michel, who together revitalized the brand with the opening of Armin’s Strom’s first fully-integrated Manufacture in 2009. Today the brand designs, develops, mills, embosses, galvanizes, hand-finishes and assembles all of its own watches in-house, enabling Armin Strom to bring even the most complicated ideas to life without any of the compromises that typically stem from reliance on a supply chain.
When ‘Mr. Armin Strom’ retired from watchmaking, he transferred ownership of his brand to two boys (by then adults) who had had frequented his workshop so often together in childhood: businessperson Serge Michel and Master Watchmaker Claude Greisler.
In 2009, the revitalized Armin Strom built upon Mr. Strom’s historical legacy with the opening of its first fully-integrated Manufacture; located in Biel, Switzerland.
Today the Manufacture produces all of our timepieces in-house and with great reverence for the Swiss-German watchmaking tradition. Our extraordinary team of dedicated engineers and artisans, led by Master Watchmaker Claude Greisler, uphold that tradition with uncompromising passion and commitment.
Serge Michel is the scion of one of the most prominent families in Switzerland. His unwavering passion and commitment to the business of the Armin Strom Manufacture have made him both the sponsor and the driving business force behind the brand.
Fascinated by watchmaking and watch collecting from a young age, he and his childhood friend Claude Greisler shared a dream of co-founding a watch company; one that would someday produce watches of the very highest quality in the Swiss-German tradition. Today that dream has become a longstanding reality.
Beyond his life in the Manufacture, Serge is a husband and proud father of two girls. His other passions include global travel and wine collecting. Nothing brings a bigger smile to Serge’s face than introducing the latest Armin Strom creation to good friends over a dinner paired with several bottles of fine wine.
Claude Greisler is “a watchmaker’s watchmaker.” His greatest passions are watches (past and present) and complicated watchmaking. In actual fact, watchmaking has been a Greisler family profession for generations. Claude’s training began in his grandfather’s workshop, which led to his formal training, beginning with his completion of a four year program at the “School for Watchmakers and Rhabilleurs” in Solothurn, Switzerland; followed by a two-year program in movement restoration at Centre Interrégionalde Formation des Montagnes [CIFOM] in Le Locle; and then a further two-year program at CIFOM focused on the development and construction of complicated timepieces. Upon the completion of his 8 years of watchmaking education, Claude honed his craft as a watchmaker at Christophe Claret (a brand known for its ultra-complicated timepieces) as the next step in his longstanding ambition: to dedicate himself to the design and production of horologically significant timepieces. Beyond his watchmaking obsession, Claude is also a passionate skier and outdoorsman. Together with his wife, Gaby, Claude explores the Swiss backcountry as often as his responsibilities at the manufacture will allow.
Manufacture
At Armin Strom, we’re obsessed with every detail of every watch that we make. We develop, mill, emboss, galvanize and hand-finish all of our watches in-house. We adhere to the very highest haute-horology standards because we know that Armin Strom collectors appreciate looking at more than just the time.
At Armin Strom, our highly qualified and dedicated team invests an incredible amount of enthusiasm, passion and effort to create watches that are mechanically exceptional and meticulously well-finished. “The only difference between the possible and the impossible is that the impossible takes a little longer.” [Mrs. William Tilton, “The Washington Herald”, 1921].
Our passion for ‘transparent mechanics’ is at the core of our watchmaking design philosophy, but perfection in our execution and in the long-term reliability of our watches is always paramount. These priorities are the hallmarks of the Swiss-German watchmaking tradition. We honor that tradition with every watch that we produce at the Armin Strom Manufacture.
Decoration
Hand engraving
Every piece is unique.
Steel burins in various sizes and wax-coated holders are the tools of the engraver.
In the engraver’s hands, each workpiece becomes a unique work of art. The engraver draws their own motif design on the workpiece with a needle according to their original drawings; working under the microscope.
Polishing
Embellishing every part of a movement makes every Armin Strom watch akin to a hand-crafted piece of jewelry.
Working bare brass or steel by hand is time-consuming work: edges of plates, bridges and levers must be perfectly chamfered or, as watchmakers call it, beveled. Every part is then polished to perfection, even when the embellishment won’t be visible in the finished watch.
Beveling and polishing requires a trained eye and fingertip sensitivity together with both patience and perseverance. For example, even a relatively small part like a pallets bridge will require at least half an hour to complete – and often more than that.
Traditional Grinding
Here a classic fine watch-making finishing technique known as “Geneva Stripes” (Côtes de Genève), is displayed. They’re created via the use an abrasive disc that’s applied in perfectly straight lines to create the Côtes de Genève on the workpiece.
Circular graining (Perlage) is a decorative motif reminiscent of clouds, typically used on main plates. To achieve this pattern, the watchmaker uses an abrasive pencil and gently makes contact with the workpiece, gradually working across the whole surface. This creates the characteristic overlapping circular grained motif.
All rotating parts of an Armin Strom movement are embellished with a circular grinding pattern.
Assembling
Up to this point, they were all just individual parts – turned, milled, polished and decorated. Now the watch will begin to take shape.
The watchmaker uses a pressing tool to insert the jewel bearings for the spindles of the toothed wheels into the plate and bridges. This is a crucial operation. The way the jewels are pressed in influences the correct vertical play of the gear-train. Do the gear-wheels and pinions mesh together correctly? Does the height need adjusting by a few hundredths of a millimeter? Once the gear-train is adjusted, the bridges and plates are screwed down, and the mainsprings are assembled in the going barrels, then the movement is ready to receive the escapement. With the installation of the escapement, consisting of the escape-wheel, the pallets and balance-wheel, the watch comes to life.
After the first assembly, the movement is completely disassembled and each individual part is then cleaned, dried, reassembled and lubricated. After the second assembly, the movement is meticulously regulated before the watchmaker sets the hands and re-inserts the movement back into the case. The back of the case is then fixed in place. The completed watch is subjected to a multi-day rate test on a watch winder. Water resistance is also tested. Once the watch has passed these quality tests, it is finally certified as complete.
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