Armin Strom Pure Resonance Ultimate Sapphire Price & Features

The new Armin Strom Pure Resonance Ultimate Sapphire X Horomariobro Review

Not many watch enthusiasts are aware of this watch company, but Armin Strom makes some of the best and most complicated watches in the market. Based on their innovative resonance technology, the company has collaborated with popular celebrity Horomariobro with their Pure Resonance lineup. The new Armin Strom Pure Resonance Ultimate Sapphire X Horomariobro is a 10-piece limited edition watch crafted with exquisite handwork and precise engineering to deliver the most tasteful experience in the horology world.

BrandArmin Strom
ModelPure Resonance Ultimate Sapphire Ref. ST17-RP.SA
CaseBrushed and polished stainless steel case
Case size42 mm x 13 mm
Water resistance50 meters
MovementIn-house Caliber ARF16
Movement specsHand-wound movement, resonance clutch spring with dual-regulator, 48-hour power reserve, 25,200 VpH,
StrapBlack fabric strap with light grey stitching and steel folding clasp


Armin Strom

The watchmaker has collaborated with Horomariobro, a renowned Instagram celebrity famous for macro photography of watches. With the brand’s innovative resonance technology and a skeletonized movement, Armin Strom’s newest creation is a masterpiece of all sorts. The new Armin Strom Pure Resonance Ultimate Sapphire comes with notable changes with its collaboration. The watch now offers a sapphire crystal dial with no double seconds counters and doesn’t come with its signature lip. The case and thickness are the same measuring 42 mm x 13 mm offering a comfortable fit and a sleek appeal to the wrist.

The main highlight of the Armin Strom Pure Resonance Ultimate Sapphire is its resonance clutch springs connected with the balance wheels which offer more precise time with little to no loss. It comes with a skeletonized movement with off-centered hour and minute dials with Arabic counters with in-house developed Super-LumiNova coating. The Horomariobro Pure Resonance Ultimate Sapphire runs on an in-house developed Caliber ARF16 hand-wound movement that beats at a frequency of 25,200 VpH and offers a power reserve of 48 hours.


The new Armin Strom Pure Resonance Ultimate Sapphire will come with a black fabric strap with a steel folding clasp. It will be limited to only 10 examples each costing over $59,000.


Popular US watchmaker Armin Strom has collaborated with popular creator Horomariobro on their Pure Resonance Ultimate Sapphire watch. The limited edition watch comes with several notable changes from its design and aesthetics while keeping the core intact. It will be limited to only 10 pieces each costing $59,000.

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