The Armin Strom Skeleton Pure is available in either steel (Water), 18K rose gold (Fire), titanium (Air) or black PVD treated steel (Earth).
Case dimensions are of the circular case are 43.40 mm diameter by 13 mm thick case, with the brand’s signature lip at six o’clock (which can be personalized with an engraving if you like). Polished to a mirror finish are the bezel, lugs and case flanks, whereas the back has a satin-brushed matte finish.
An open-worked movement can be easily done wrong but the depth of the Armin Strom calibre immediately pops out at you, especially because of contrast of blue and silver finishes. All visible through anti-reflective treated sapphire glass, front and rear.
Powered by Armin Strom’s manually wound in-house movement, calibre ARM09-S beats at 2.5Hz (18,000 vph), has 146 components (34 jewels) and double-barrels which provide a lengthy 8-day power reserve (192-hours) — via PROFESSIONAL WATCHES