In Biel/Bienne, Armin Strom built its 18th movement around two balance wheels that beat as one, and gave it a second time zone for travel.
Armin Strom today introduces the Dual Time GMT Resonance Manufacture Edition Black, limited to 50 pieces and the latest addition to its signature Resonance collection.
The design is monochrome: black grenage dials, black azurage chapter rings, and hand-decorated movement parts left in view. Each of the two displays keeps its own time zone and its own day/night indicator; because the hour and minute hands adjust independently, a zone that differs from GMT by a fractional hour can be set. The steel case is 39mm across, on a glossy taupe alligator strap.
Inside, the manual-winding calibre ARF22 links its two independent regulating systems with a patented clutch, so their vibrations synchronise and regulate each other. The clutch keeps the resonance stable, the brand says, even against everyday shocks.
“At Armin Strom, we believe every tiny gear deserves to be seen,” the brand says.
It is a watch that puts its own correction on display, in the open, with every glance.
The Basics
Brand: Armin Strom
Model: Dual Time GMT Resonance Manufacture Edition Black
Reference: ST25-DT.90
Diameter: 39mm
Thickness: 9.05mm
Case material: Stainless steel; sapphire crystal and case back with anti-reflective treatment
Dial: Two black grenage dials with black azurage chapter rings; polished and blackened steel day/night discs
Water resistance: 5 ATM
Strap: Glossy taupe alligator, stainless steel pin buckle
Limited edition: 50 pieces
The Movement
Calibre: ARF22, Armin Strom's 18th in-house movement
Functions: Double time zone with independent hours, minutes and day/night indicator; resonance
Winding: Manual, two independent barrels
Power reserve: 42 hours
Frequency: 3.5 Hz (25,200 vph)
Jewels: 40
Images courtesy of Armin Strom.