Armin Strom’s Mirrored Force Resonance has become one of the more distinctive signatures in modern independent watchmaking, not because it chases complexity for its own sake, but because its mechanics are unusually visible and unusually rare.
The new Mirrored Force Resonance Red keeps that architecture intact and shifts the emotional register with a vivid hand-guilloché dial that gives the watch a stronger, more kinetic presence on the wrist.
At a glance
- Armin Strom has introduced the Mirrored Force Resonance Red as a 15-piece limited edition.
- The watch pairs a stainless steel 43mm case with a deep red hand-guilloché dial and the brand’s patented resonance clutch spring system.
- It is priced at CHF 78,000 and fitted to a dark grey Alcantara strap with white stitching.
A red guilloché dial with more intensity
The main visual change is the dial, which is cut by hand on a traditional rose-engine lathe and finished in a saturated red tone.

It’s a colour that suits the Mirrored Force Resonance format well, because this was never a quiet watch visually, even in its more restrained configurations.
Black azuré chapter rings frame the twin seconds displays, while the off-centred hours-and-minutes dial uses faceted applied markers that appear to sit just above the guilloché surface.
The result is more assertive than the earlier Manufacture Green, Ice Blue, rose gold, Ruby and anniversary editions, without changing the watch’s underlying character.

The resonance mechanism remains the centrepiece
Armin Strom has left the mechanics untouched, which is the right decision.
The watch’s fascination comes from the two balance wheels positioned on the dial side, oscillating in opposite directions and linked by a patented resonance clutch spring.
That spring allows the two regulating organs to exchange vibrations until they settle into harmonic resonance.

The twin seconds displays give the process a practical visual cue, and the pusher at 2 o’clock resets both seconds hands to zero so the wearer can watch the two systems return to synchrony.
It’s a technical idea with real theatre, but the attraction isn’t just animation.
In a category often dominated by tourbillons and elaborate calendars, Armin Strom’s approach feels more experimental and more mechanically specific.

A slimmer case for a serious piece of engineering
The stainless steel case measures 43mm across, 11.55mm thick and 49.6mm lug-to-lug.
Those numbers matter because the current-generation Mirrored Force Resonance has a more streamlined profile than earlier executions, helped by the box-shaped sapphire crystal and the brand’s signature lip at 6 o’clock.
A sapphire display back reveals the calibre ARF21, while water resistance is rated to 30 metres.

The watch is worn on a dark grey Alcantara strap with white stitching and a stainless steel pin buckle, a pairing that keeps the focus on the red dial rather than competing with it.
The ARF21 calibre inside
The manually wound ARF21 is developed, produced and assembled in-house by Armin Strom.
Its architecture brings together two gear trains, two barrels, two escapements and two regulating organs within one calibre.

The movement runs at 25,200 vibrations per hour and provides a 48-hour power reserve.
Through the caseback, the finishing includes frosted bridges, hand-polished bevels, perlage, circular graining, black-polished screws and raised three-dimensional inscriptions on the main plate.
Details & Specifications
| Brand | Armin Strom |
|---|---|
| Model | Mirrored Force Resonance Red |
| Reference | ST25-RF.10 |
| Case size | 43mm diameter, 11.55mm thick, 49.6mm lug-to-lug |
| Case material | Stainless steel |
| Crystal | Sapphire front and back with anti-reflective coating |
| Water resistance | 30 metres |
| Dial | Red hand-guilloché off-centre dial with black azuré chapter rings |
| Indications | Hours, minutes and twin small seconds displays |
| Movement | Armin Strom calibre ARF21, in-house manual-winding |
| Movement architecture | Two gear trains, two barrels, two escapements and two regulating organs connected by a patented resonance clutch spring |
| Components | 276 components, 39 jewels |
| Frequency | 25,200 vibrations per hour |
| Power reserve | 48 hours |
| Strap | Dark grey Alcantara with white stitching |
| Buckle | Stainless steel pin buckle |
| Production | Limited edition of 15 pieces |
| Price | CHF 78,000 |
The Mirrored Force Resonance Red won’t be the understated choice in Armin Strom’s catalogue, but that’s precisely the point.

For collectors drawn to visible mechanics, independent movement architecture and a dial with real chromatic force, this edition gives the brand’s resonance watch a sharper, more expressive edge.








