Keeping Time S.7 Ep.02: Claude Greisler, Armin Strom Co-Founder and Master Watchmaker

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Join us as we welcome Mr. Claude Greisler back to the podcast for a record 4th appearance!! Every conversation with Claude is filled with knowledge, insight, and pure horological passion. This episode focuses on Claude’s incredible and deep fascination for the phenomenon of RESONANCE. Delving into history we discuss the origins of Resonance in watchmaking, from Huygens to Breguet and then to modern-day we discuss the evolution of the concept and the realization of the incredibly successful Armin Strom Resonance series.

The conversation delves into Claude’s impressive background and training. It soon becomes clear how this path would influence the impressive work achieved by Claude’s Armin Strom Manufacture. We learn how Armin Strom’s unique approach to utilizing Resonance was created and the many challenges that had to be overcome to master the intriguing phenomenon of Resonance. The conversation flows naturally and Claude’s laid-back, honest and open conversational style lends itself to a very easy listening podcast that pulls you in further to learn more from one of the world’s most accomplished living Master Watchmakers.

Today, Armin Strom is one of the most creative and highly respected Independent watchmakers shaping the present and the future of haute horlogerie. We recommend listening to our past episodes with Claude Greisler to learn more about the Manufacture, Gravity Equal Force and Tribute 1 (System 78).


Thank you as always for downloading Keeping Time Podcast. Please share with your watch-enthusiast friends and communities.

We hope that our listeners enjoy the discussion in this episode; expand their knowledge and continue to gain insights into the fascinating world of horology. Many topics are covered and the conversation is rich in content and insight. We hope that you enjoy this episode of Keeping Time with Oster Watches.

Please reach out directly to jeremy@osterjewelers.com with any questions, comments or suggestions for potential podcast guests.



Claude Greisler, Armin Strom Co-Founder
Claude Greisler, Armin Strom Co-Founder and Master Watchmaker

Armin Strom Manufacture in Biel, Switzerland
Armin Strom Manufacture in Biel, Switzerland

Huygens by Caspar Netscher (1671), Museum Boerhaave, LeidenSpring-driven pendulum clock, designed by Huygens and built by Salomon Coster (1657) at Museum Boerhaave, Leiden
Christiaan Huygens (L) Spring-driven pendulum clock, designed by him and built by Salomon Coster (1657) at Museum Boerhaave, Leiden (R)

Armin Strom Mirrored Force Resonance Clutch Spring Closeup
Closeup of the Armin Strom Mirrored Force Resonance Clutch Spring

Armin Strom Gravity Equal Force 18KRG Limited Oster Edition
Armin Strom Gravity Equal Force 18KRG Limited Oster Edition

Armin Strom Gravity Equal Force Steel Limited Oster Edition
Armin Strom Gravity Equal Force Steel Limited Oster Edition



Armin Strom Collection
Explore the Armin Strom Collection at Oster Jewelers

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