Description
Armin Strom Mirrored Force Resonance Zeitgeist 1665
The Armin Strom Mirrored Force Resonance Zeitgeist 1665 represents the next chapter in the brand’s pioneering mastery of the Resonance phenomenon, uniting centuries of theoretical horology with modern mechanical achievement. Conceived as a vision of what a resonance timepiece might have looked like if it had existed in the 17th century, the Zeitgeist 1665 embodies both historical imagination and technical modernity in perfect balance. It pays tribute to Christiaan Huygens’s 1665 discovery of synchronised oscillation, from which its name originates, and to Armin Strom’s 21st-century breakthrough that made stable and resilient resonance a wearable reality.
This exceptional timepiece captures a “future imagined from the past” – an artistic exploration of how watchmakers of earlier eras might have interpreted the resonance principle if they had succeeded in mastering its delicate balance. The Zeitgeist 1665 continues Armin Strom’s legacy that began in 2016, when Claude Greisler and his team achieved the first truly stable and predictable resonance wristwatch. Building on this innovation, the Zeitgeist presents a refined, minimalist architecture, housed within a 43 mm stainless-steel case with a measured height of 11.55 mm, offering the perfect equilibrium of complexity and wearability.
At the heart of the Zeitgeist lies Armin Strom’s in-house calibre ARF21_ZG, a manual-winding movement composed of 260 parts and featuring twin independent regulating systems connected by the patented resonance clutch spring. This ingenious mechanism maintains synchronisation through shared modes of motion, ensuring consistent rate stability and resistance to disruption. The result is a horological expression that achieves not only chronometric precision but also exceptional consistency of rate, maintaining identical daily variation regardless of wrist movement or temperature change.
The off-centred 18-carat white gold dial, finished in a mirror-polished “vernis laqué poli” style, contrasts elegantly against the rose-gold-coloured PVD movement plates visible through the sapphire crystal. The heat-blued hands, manufactured in-house, demonstrate Armin Strom’s dedication to the traditional crafts of hand-finishing and colour tempering. True to the brand’s ethos, every component is hand-finished, from the bevelled and polished bridges to the black-polished screws, perlage, Geneva stripes, and circular graining that decorate even the unseen surfaces of the movement.
Limited to just 25 examples worldwide, the Mirrored Force Resonance Zeitgeist 1665 stands as both a conceptual artefact and a technical milestone. It celebrates the centuries-long pursuit of chronometric consistency that began with Huygens and concludes, at least for now, with Armin Strom’s definitive mastery of resonance. For collectors, the Zeitgeist 1665 represents not only precision engineering but also a profound tribute to the intellectual heritage of mechanical timekeeping.
Technical Specifications
- Case: Stainless steel
- Diameter: 43 mm
- Height: 11.55 mm
- Lug-to-Lug: 49.60 mm
- Crystal: Sapphire crystal and case back with anti-reflective treatment
- Water Resistance: 3 ATM
- Dial: 18K white gold, “vernis laqué poli”, off-centred
- Hands: Heat-blued stainless steel, hand-finished, manufactured by Armin Strom
- Strap: Dark grey Alcantara with grey stitching, stainless-steel pin buckle
- Limited Edition: 25 pieces
Calibre ARF21_ZG
- Movement: Armin Strom manufacture, manual winding
- Indications: Hours, minutes, twin seconds
- Functions: Resonance, Flyback
- Bridge/Main Plate: Rose-gold-coloured PVD coating
- Regulating System: Dual independent oscillators connected by resonance clutch
- Power Reserve: 80 hours
- Frequency: 3.5 Hz (25,200 vph)
- Jewels: 39
- Components: 260
- Dimensions: 37.20 mm × 6.70 mm





























