Armin Strom Dual Time GMT Resonance

Description

Armin Strom Dual Time GMT Resonance

Armin Strom celebrates the 15th anniversary of our fully integrated Manufacture by reimagining our most historically important innovation in a slim 39mm white gold case. The Dual Time Resonance GMT showcases our uniquely resilient approach to harnessing the Resonance phenomenon, along with our longstanding commitment to extraordinary hand-finishing, culminating in a dial-side kinetic spectacle that’s unlike anything else in contemporary watchmaking.

Functionally, the Dual Time Resonance GMT displays two independent time zones, with indications of hours and minutes for each, while also supporting time zones that deviate from GMT by fractions of an hour. Day/Night indicators provide relevant AM/PM context for each time zone. The Dual Time Resonance GMT First Edition includes two compelling strap options, and like all Armin Strom First Editions, it comes with a 10-year extended warranty. Limited to 25 pieces.

TWO DIAL-SIDE KINETIC ELEMENTS UNITE TO FORM A MESMERISING SPECTACLE

The kinetic spectacle of Resonance is on full display on the dial side of the timepiece. The synchronised motion of two balance wheels operating in a state of Resonance, combined with the hypnotic pulsation of the clutch spring ‘breathing’ as it transmits vibrations between them, offers the owner a mesmerising spectacle that brings a sense of wonder to the everyday.

TWO FULLY INDEPENDENT TIME ZONES

Another valued aspect of the timepiece is its ability to set the two time zones entirely independently. Most dual time zone movements only permit independent adjustment of the hours, with only a few allowing half-hour settings. However, Armin Strom’s Dual Time GMT Resonance lets users set both the hours and minutes to any desired time on each of the two identical dials.

TWO MOVEMENTS IN ONE NEW CALIBRE

The Dual Time GMT Resonance First Edition is powered by the new Armin Strom manufacture calibre ARF22, a manually wound Resonance movement and the 18th calibre designed and produced in-house under the direction of Claude Greisler, our co-founder and master watchmaker.

Two independent, symmetrically mirrored oscillators operate in anti-phase to become synchronised mirror images of each other via the natural phenomenon of Resonance. The calibre features two mainspring barrels providing a power reserve of 42 hours, all wound by a single crown at 4 o’clock. Two separate gear trains drive the independent time displays. The day/night indicators are mounted on 24-hour wheels directly on the movement. Two crowns positioned on either side of the case allow for the independent setting of each dial.

TWO SYMMETRICAL DAY/NIGHT INDICATORS

Dual engraved and mirror-polished day/night indicators depict the sun and moon to indicate AM/PM for each of the time dials.

TWO SYMMETRICAL CROWNS

Two crowns, positioned on either side of the case at 4 and 8 o’clock, allow each dial to be independently set.

TWO STRAPS

Secured by an 18-carat white gold pin buckle, the Dual Time GMT Resonance First Edition comes with two straps: a matte grey alligator strap with sky-blue stitching and a light grey alligator strap with pearl-grey stitching.

ARTISANAL CRAFTSMANSHIP

For the First Edition, the dials feature a sky-blue grenage finish, surrounded by black azurage chapter rings set with applied polished baton indexes that complement the faceted hands. The engraved and mirror-polished day/night indicators depicting the sun and moon are mounted on 24-hour wheels directly on the movement. For the first time, the twin balance bridge is crafted from steel and designed with a flat surface that is hand-polished to achieve a mirror finish in accordance with the highest standards of traditional haute horlogerie decoration.

The lavish hand-finishing and decoration of this calibre includes hand-polished bevels, screws and countersinks, along with circular graining, perlage, and Geneva stripes. The juxtaposition of anthracite and silvery tones further emphasises the visual depth and dramatic contrast.

HOW IS ARMIN STROM’S APPROACH TO RESONANCE DIFFERENT FROM OTHERS?

Armin Strom’s approach to Resonance is fundamentally different from other Resonance timepieces in several key ways. Armin Strom Resonance timepieces utilise a patented, built-for-purpose suspension system known as a “clutch spring”, inspired by Antide Janvier’s Resonance Clock, to act as a vibrational intermediary between the balance wheels. This contrasts with others who rely on legacy parts of the movement, such as a main-plate, to transmit vibrations.

By virtue of its resilience against disruption, Armin Strom’s innovative approach can leverage Resonance to proactively prevent oscillation-rate deviations caused by external factors such as wrist motion, gravity, and temperature changes, rather than merely remediating oscillation-rate errors after the fact (when affected balance wheels would otherwise eventually drift back into a state of Resonance). For these reasons, alternative approaches cannot offer the same resilience, predictable chronometric benefits, and chronometric consistency as an Armin Strom Resonance timepiece.

This differentiated approach very effectively ensures that the twin balance wheels of an Armin Strom Resonance timepiece will remain synchronised in all positions with resilience against disruption, thereby providing unparalleled chronometric consistency and precision.

TECHNICAL SPECIFICATIONS

Distinctions
Two independent regulation systems connected by a resonance clutch spring. Two independent time displays indicating hour, minutes, and day/night.

Movement
CALIBRE ARF22

Functions
Double Hour, double minute, double day/night

Impulse
Two independent barrels

Winding mechanism
Manual winding

Regulating system
Two independent regulation systems that stabilise each other connected by a resonance clutch spring

Frequency
3.5 Hz (25,200 vph)

Number of jewels
40

Number of individual parts
231

Movement Diameter
34.15 mm

Movement Height
4.92 mm

Power reserve
42 hours

Case
18-carat white gold. Sapphire crystal and caseback with anti-reflective treatment.

Diameter: 39.00 mm.

Height: 9.05 mm.

Water resistance: 5 ATM / 50 m.

Lug-to-Lug: 44.50 mm.

Dial
Sky-blue grenage dials with black azurage chapter rings and applied polished baton indexes, rhodium-plated day/night discs.

Hands
Rhodium, faceted, and polished.

Strap/Buckle
Delivered with two straps: a matte-grey alligator strap with sky-blue stitching and a light-grey alligator strap with pearl-grey stitching, secured with an 18-carat white gold pin buckle.

Width lugs/buckle
18/16 mm

Limited Edition
25 pieces