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Armin Strom unveils the One Week Manufacture Edition Blue, a bold evolution of its foundational calibre, now reimagined in a striking deep blue. Limited to just 100 pieces, this timepiece reflects the brand’s dedication to mechanical artistry and uncompromising craftsmanship.
A Sculptural Expression of Precision
Encased in a 41 mm stainless steel case and paired with an integrated steel bracelet, the watch features a fully openworked architecture. The traditional dial is replaced by a blue PVD-coated mainplate, creating a vivid stage for the movement’s choreography. Every component is arranged in perfect symmetry, emphasizing depth, contrast, and clarity.
Engineered for Endurance
At its core is the manual-winding Calibre ARM21, developed and assembled entirely in-house. With dual barrels in series, it delivers a full seven-day power reserve and operates at 3.5 Hz for enhanced stability. A standout feature is the three-dimensional power reserve indicator, driven by a conical gear and polished cone — a nod to traditional pocket watches.
Each movement is hand-finished to haute horlogerie standards, with Geneva stripes, polished bevels, and chamfered edges. Every piece is assembled twice, ensuring flawless performance and visual harmony.
Functions | Hours, Minutes, Small Seconds, Conical Power Reserve Indicator |
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Movement | Calibre: ARM21, Manual winding Mainplate: Blue PVD-coated Jewels: 35 Components: 194 Power reserve: 7 days Frequency: 3.5 Hz / 25,200 vph |
Dial | Black minute ring Small seconds subdial Indexes with Super-LumiNova® |
Case | Material: stainless steel Diameter: 41 mm Height: 10.60 mm Lug-to-Lug: 44.35 mm Crystal: Sapphire front and back with anti-reflective treatment Water-resistance: 10 ATM |
Bracelet | Material: Stainless steel Buckle: Double-folding clasp |
Reference | ST25-OW.05 |
Limited Edition | 100 pieces |