Dual Time GMT Resonance Manufacture EditionLimited / 50 pieces, 2025
Ref. ST25-DT.90
2025–present · 39mm · caliber Armin Strom Cal. ARF22 -- manual-wind, in-house, dual-time GMT resonance movement; two independent regulating systems linked by the patented Resonance Clutch Spring, each driving its own hour/minute/day-night display; 25,200vph, 40j, 231 parts, two independent barrels, 42h PR; hour and minute hands on each side independently adjustable, including to fractional-hour offsets from GMT
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Movement tier: unclassified · caliber Armin Strom Cal. ARF22 -- manual-wind, in-house, dual-time GMT resonance movement; two independent regulating systems linked by the patented Resonance Clutch Spring, each driving its own hour/minute/day-night display; 25,200vph, 40j, 231 parts, two independent barrels, 42h PR; hour and minute hands on each side independently adjustable, including to fractional-hour offsets from GMT
Versatile size: fits most wrists (6–7.5 in / 15–19 cm)
39 mm case. The sweet spot for the broadest range of wrist sizes. Neither too dainty nor too bold.
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