Armin Strom Pure Resonance Ultimate Sapphire x Horomariobro

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Technical specifications


  • Hours
  • Minutes


  • Manual Winding
  • Manufactured
  • Swiss Made


  • Round
  • Stainless steel
  • Polished
  • 13.00mm
  • 42.00mm


  • Sapphire

Water resistance

  • 5.00atm / 50.00m / 165.00ft


  • Deployment Buckle
  • Stainless steel


  • Fabric
  • Black


  • 2023

Official description

The creative and renowned watch collector Horomariobro, dubbed “the King of Macro photography” on Instagram had the desire for Armin Strom to create a unique piece. The result – the Pure Resonance Ultimate Sapphire with a sapphire dial, a unique highly symmetrical design with exquisite hand decorations – turned out so visually striking that it was decided to share it with an exclusive few. Ten pieces will be available exclusively through Oster Jewelers in Denver, USA, who was also involved in this special collaboration.

“I always loved the idea of having an Armin Strom Resonance timepiece in my collection,” said US West Coast-based watch collector known as @horomariobro on Instagram, who dives deep into haute horlogerie details with his camera. His near-microscopic approach separates the wheat from the chaff when it comes to haute horlogerie finishes and has given him a revered position among collectors, not to mention tens of thousands of followers on Instagram.